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Provider Capabilities Audit

Capability audit for the 13 text/multimodal AI providers historically tracked in this matrix. NeuroLink ships many provider integrations — the additional providers added since this audit was first written (DeepSeek, NVIDIA NIM, LM Studio, llama.cpp, xAI, Groq, Cerebras, SambaNova, Together AI, Fireworks, Perplexity, Cloudflare, Cohere, TypeSafe Jev, and more), the voice providers (OpenAI TTS, ElevenLabs, Deepgram, Azure Speech, Whisper, OpenAI Realtime, Gemini Live), and the embedding/media-only providers are documented in the per-provider docs under /docs/getting-started/providers/ and the Voice Features index, not in this capability matrix.

For the canonical product surface, see the README.

Last Updated: May 2026 NeuroLink Version: 9.62.0

Capability Matrix​

ProviderText GenStreamingToolsVisionPDFThinkingStructured OutputAuth Required
OpenAI✓✓✓✓✗✗✓API Key
Anthropic✓✓✓✓✓✓✓API Key
Google AI Studio✓✓✓✓✓✓⚠️API Key
Google Vertex✓✓✓✓✓✓⚠️Service Account
Amazon Bedrock✓✓✓⚠️✓✗✓AWS Credentials
Amazon SageMaker✓⚠️✓✗✗✗✗AWS Credentials
Azure OpenAI✓✓✓✓✗✗✓API Key + Endpoint
Mistral✓✓✓⚠️✗✗✓API Key
HuggingFace✓✓⚠️✗✗✗✗API Key
LiteLLM✓✓✓⚠️✗✗✓Custom
Ollama✓✓✓⚠️✗✗✗None
OpenAI Compatible✓✓✓⚠️✗✗✓Custom
OpenRouter✓✓⚠️⚠️✗✗✓API Key

Legend:

  • ✓ Full Support
  • ⚠️ Partial/Model-Dependent Support
  • ✗ Not Supported

1. OpenAI Provider​

File: src/lib/providers/openAI.ts Provider Name: openai Default Model: gpt-4o

Capabilities​

Text Generation ✓​

  • Full support for all GPT models
  • Supports temperature, maxTokens, top_p parameters
  • Multi-turn conversations

Streaming ✓​

  • Real-time token streaming via Server-Sent Events (SSE)
  • Chunk-by-chunk response delivery
  • Full analytics support

Tool Calling ✓​

  • Native function calling support
  • Automatic tool execution
  • Multi-step tool workflows
  • Tool choice: auto, required, none

Vision/Multimodal ✓​

Supported Models:

  • GPT-5.2 series (gpt-5.2, gpt-5.2-pro) - Latest flagship
  • GPT-5 series (gpt-5, gpt-5-pro, gpt-5-mini, gpt-5-nano)
  • GPT-4.1 series (gpt-4.1, gpt-4.1-mini, gpt-4.1-nano)
  • O-series reasoning models (o3, o3-mini, o3-pro, o4, o4-mini)
  • GPT-4o, GPT-4o-mini, GPT-4-turbo, GPT-4-vision-preview

Image Support:

  • Up to 10 images per request
  • Formats: PNG, JPEG, WEBP, GIF
  • Base64 and URL input

PDF Processing ✗​

  • Not natively supported
  • Requires external preprocessing

Extended Thinking ✗​

  • Standard reasoning only
  • No extended thinking capability

Structured Output ✓​

  • JSON schema validation
  • Type-safe responses via Zod
  • Response format enforcement

Configuration​

# Required
OPENAI_API_KEY=sk-...

# Optional
OPENAI_MODEL=gpt-4o
OPENAI_BASE_URL=https://api.openai.com/v1  # For proxy/custom endpoints

Known Limitations​

  • PDF files require preprocessing to text/images
  • No native extended thinking mode
  • Rate limits apply per API key tier
  • Context window varies by model (128K for GPT-4o)

2. Anthropic Provider​

File: src/lib/providers/anthropic.ts Provider Name: anthropic Default Model: claude-sonnet-4-5-20250929

Capabilities​

Text Generation ✓​

  • All Claude models (3.x, 4.x, 4.5)
  • Advanced reasoning capabilities
  • Long context support (200K tokens)

Streaming ✓​

  • Real-time streaming with SSE
  • Tool execution during streaming
  • Analytics tracking

Tool Calling ✓​

  • Native tool use support
  • Multi-step agentic workflows
  • Tool result caching
  • Parallel tool execution

Vision/Multimodal ✓​

Supported Models:

  • Claude 4.5 series (Sonnet, Opus, Haiku)
  • Claude 4.1 and 4.0 series
  • Claude 3.7 series
  • Claude 3.5 series
  • Claude 3 series (Opus, Sonnet, Haiku)

Image Support:

  • Up to 20 images per request
  • Formats: PNG, JPEG, WEBP, GIF
  • Base64 encoding required

PDF Processing ✓​

  • Native PDF document understanding
  • No preprocessing required
  • Extract text, tables, and structure
  • Visual analysis of PDF pages

Extended Thinking ✓​

Supported Models:

  • Claude 4.5 Sonnet (latest)
  • Claude 4.5 Opus
  • Claude 4.1 Opus
  • Claude 3.7 Sonnet

Thinking Levels:

  • minimal - Fast responses
  • low - Basic reasoning
  • medium - Moderate reasoning (default)
  • high - Deep reasoning and analysis

Structured Output ✓​

  • JSON schema validation
  • Type-safe responses
  • Zod schema support

Configuration​

# Required
ANTHROPIC_API_KEY=sk-ant-...

# Optional
ANTHROPIC_MODEL=claude-sonnet-4-5-20250929
ANTHROPIC_VERSION=2023-06-01

Known Limitations​

  • 200K token context window (generous but finite)
  • API rate limits based on tier
  • Extended thinking increases latency
  • PDF processing has file size limits

3. Google AI Studio Provider​

File: src/lib/providers/googleAiStudio.ts Provider Name: google-ai / googleAiStudio Default Model: gemini-2.5-flash

Capabilities​

Text Generation ✓​

  • Gemini 1.5, 2.0, 2.5, and 3.0 models
  • Fast inference
  • Free tier available

Streaming ✓​

  • Real-time streaming
  • Tool execution during streaming
  • Analytics support

Tool Calling ✓​

  • Native function calling
  • Parallel tool execution
  • Tool result integration

Vision/Multimodal ✓​

Supported Models:

  • Gemini 3 series (Pro, Flash) - Preview
  • Gemini 2.5 series (Pro, Flash, Flash Lite)
  • Gemini 2.0 series (Flash)
  • Gemini 1.5 series (Pro, Flash)

Image Support:

  • Up to 16 images per request
  • Formats: PNG, JPEG, WEBP
  • Base64 and Google Cloud Storage URLs

PDF Processing ✓​

  • Native PDF understanding
  • Text and visual extraction
  • Document structure analysis

Extended Thinking ✓​

Supported Models:

  • Gemini 3 Pro (Preview)
  • Gemini 2.5 Pro
  • Gemini 2.5 Flash

Thinking Levels:

  • minimal, low, medium, high
  • Configurable thinking budget

Structured Output ⚠️​

  • JSON schema support
  • CRITICAL LIMITATION: Cannot use tools AND structured output simultaneously
  • When using JSON schema, must set disableTools: true
  • Error: "Function calling with response mime type 'application/json' is unsupported"

Configuration​

# Required
GOOGLE_AI_API_KEY=AIza...

# Optional
GOOGLE_AI_MODEL=gemini-2.5-flash

Known Limitations​

  • Cannot combine tools + JSON schema (Gemini limitation)
  • Tools OR structured output, not both
  • Free tier has rate limits
  • Some features in preview/experimental

4. Google Vertex AI Provider​

File: src/lib/providers/googleVertex.ts Provider Name: vertex Default Model: gemini-2.5-flash

Capabilities​

Same as Google AI Studio, plus:

Dual Provider Support​

  • Gemini models - Same as AI Studio
  • Claude models via Vertex - Anthropic models hosted on GCP

Anthropic on Vertex:

  • Claude 4.5 series (Sonnet, Opus, Haiku)
  • Claude 4.x and 3.x series
  • Full tool calling support
  • No structured output limitation (unlike Gemini)

Text Generation ✓​

  • All Gemini models
  • All Claude models via Vertex Anthropic
  • Enterprise-grade reliability

Streaming ✓​

  • Same as AI Studio
  • Works for both Gemini and Claude models

Tool Calling ✓​

  • Gemini: Full tool support (but not with schemas)
  • Claude: Full tool support (can combine with schemas)

Vision/Multimodal ✓​

  • Gemini: Up to 16 images
  • Claude: Up to 20 images

PDF Processing ✓​

  • Both Gemini and Claude models support PDF

Extended Thinking ✓​

  • Gemini 2.5+, Gemini 3: Full support
  • Claude models: Not supported via Vertex

Structured Output ⚠️​

  • Gemini: Cannot combine with tools
  • Claude: Can combine with tools

Configuration​

# Required (Option 1: Service Account File)
GOOGLE_APPLICATION_CREDENTIALS=/path/to/service-account.json
VERTEX_PROJECT_ID=my-project

# Required (Option 2: Environment Variables)
GOOGLE_AUTH_CLIENT_EMAIL=...
GOOGLE_AUTH_PRIVATE_KEY=...
VERTEX_PROJECT_ID=my-project

# Optional
VERTEX_LOCATION=us-central1
VERTEX_MODEL=gemini-2.5-flash

Known Limitations​

  • Requires Google Cloud project setup
  • Service account authentication complexity
  • Gemini tools + schema limitation applies
  • Regional endpoint configuration

5. Amazon Bedrock Provider​

File: src/lib/providers/amazonBedrock.ts Provider Name: bedrock Default Model: anthropic.claude-3-sonnet-20240229-v1:0

Capabilities​

Text Generation ✓​

  • Claude models on Bedrock
  • Amazon Titan models
  • Cohere models
  • Meta Llama models
  • AI21 Jurassic models

Streaming ✓​

  • Real-time streaming via AWS SDK
  • Native conversation loop
  • Tool execution during streaming

Tool Calling ✓​

  • Native tool support via Bedrock Converse API
  • Multi-step tool workflows
  • Automatic tool execution

Vision/Multimodal ⚠️​

Model-Dependent:

  • Claude models: Full vision support
  • Titan models: Limited vision support
  • Other models: Varies by model

PDF Processing ✓​

  • Claude models: Native PDF support
  • Document extraction and analysis

Extended Thinking ✗​

  • Not supported via Bedrock
  • Standard reasoning only

Structured Output ✓​

  • JSON schema validation
  • Type-safe responses

Configuration​

# Required
AWS_ACCESS_KEY_ID=AKIA...
AWS_SECRET_ACCESS_KEY=...
AWS_REGION=us-east-1

# Optional
BEDROCK_MODEL=anthropic.claude-3-sonnet-20240229-v1:0

Known Limitations​

  • Requires AWS account with Bedrock access
  • Model availability varies by region
  • IAM permissions required
  • No extended thinking support
  • Vision support depends on model

6. Amazon SageMaker Provider​

File: src/lib/providers/amazonSagemaker.ts Provider Name: sagemaker Default Model: Custom endpoint

Capabilities​

Text Generation ✓​

  • Custom SageMaker endpoints
  • Fine-tuned models
  • Enterprise model deployments

Streaming ⚠️​

  • Not fully implemented for SageMaker custom endpoints. Streaming returns a 501 error from SageMaker custom inference endpoints; non-streaming generation works.

Tool Calling ✓​

  • Supported for compatible models
  • Depends on endpoint configuration

Vision/Multimodal ✗​

  • Not supported
  • Depends on custom endpoint

PDF Processing ✗​

  • Not supported

Extended Thinking ✗​

  • Not supported

Structured Output ✗​

  • Not supported via provider
  • May work with custom endpoints

Configuration​

# Required
AWS_ACCESS_KEY_ID=AKIA...
AWS_SECRET_ACCESS_KEY=...
AWS_REGION=us-east-1
SAGEMAKER_ENDPOINT_NAME=my-endpoint

# Optional
SAGEMAKER_MODEL=custom-model

Known Limitations​

  • Streaming not fully implemented
  • Requires SageMaker endpoint deployment
  • Custom model-dependent capabilities
  • No built-in multimodal support
  • Enterprise AWS setup required

7. Azure OpenAI Provider​

File: src/lib/providers/azureOpenai.ts Provider Name: azure Default Model: gpt-4o

Capabilities​

Text Generation ✓​

  • All Azure OpenAI models
  • GPT-4, GPT-4o, GPT-3.5-turbo
  • Enterprise security and compliance

Streaming ✓​

  • Real-time streaming
  • Tool execution during streaming
  • Analytics support

Tool Calling ✓​

  • Full tool support
  • Same as OpenAI provider
  • Multi-step workflows

Vision/Multimodal ✓​

Supported Models:

  • GPT-5.1 series
  • GPT-5 series
  • GPT-4.1 series
  • O-series (o3, o4)
  • GPT-4o, GPT-4o-mini, GPT-4-turbo

Image Support:

  • Up to 10 images per request
  • Same formats as OpenAI

PDF Processing ✗​

  • Not natively supported

Extended Thinking ✗​

  • Not supported

Structured Output ✓​

  • JSON schema validation
  • Type-safe responses

Configuration​

# Required
AZURE_OPENAI_API_KEY=...
AZURE_OPENAI_ENDPOINT=https://your-resource.openai.azure.com
AZURE_OPENAI_DEPLOYMENT=gpt-4o

# Optional
AZURE_API_VERSION=2024-05-01-preview

Known Limitations​

  • Requires Azure subscription
  • Deployment configuration required
  • Regional model availability varies
  • No PDF or extended thinking support

8. Mistral Provider​

File: src/lib/providers/mistral.ts Provider Name: mistral Default Model: mistral-small-2506

Capabilities​

Text Generation ✓​

  • Mistral Small, Medium, Large models
  • Fast inference
  • Cost-effective

Streaming ✓​

  • Real-time streaming
  • Tool execution support

Tool Calling ✓​

  • Native function calling
  • Tool execution workflows

Vision/Multimodal ⚠️​

Supported Models:

  • Mistral Small 2506 (June 2025) - Vision-capable
  • Mistral Pixtral - Multimodal model

Image Support:

  • Up to 10 images per request (conservative limit)
  • Model-dependent capability

PDF Processing ✗​

  • Not supported

Extended Thinking ✗​

  • Not supported

Structured Output ✓​

  • JSON schema support
  • Type-safe responses

Configuration​

# Required
MISTRAL_API_KEY=...

# Optional
MISTRAL_MODEL=mistral-small-2506

Known Limitations​

  • Vision only on specific models (Small 2506+)
  • No PDF support
  • No extended thinking
  • Limited multimodal compared to GPT-4o/Claude

9. HuggingFace Provider​

File: src/lib/providers/huggingFace/client.ts Provider Name: huggingface Default Model: Qwen/Qwen2.5-72B-Instruct

Capabilities​

Text Generation ✓​

  • Access to 100,000+ models
  • Open-source models
  • Custom fine-tuned models

Streaming ✓​

  • Real-time streaming via unified router
  • OpenAI-compatible endpoint

Tool Calling ✓​

Tools are offered to every model; capability is resolved by the shared modelSupports() facade rather than a provider-local list.

A 13-entry model-name allowlist used to gate this. It was written for the retired per-model Inference API, where many endpoints rejected the OpenAI tools field. Measured against the 142 models the router served on 2026-09-13, it admitted 1 and blocked 141 — including Qwen/Qwen2.5-72B-Instruct, zai-org/GLM-5.3-Flash, google/gemma-4-31B-it and deepseek-ai/DeepSeek-V4-Flash, every one of which returns HTTP 200 with tool_calls. No served model rejected the field, so the allowlist was removed.

A model that cannot use tools simply does not emit tool_calls, which the tool loop already handles.

Note the legacy ids in the old list (CodeLlama 34B, Mistral 7B Instruct v0.3, Hermes 3 Llama 3.2, Llama 3.1 70B/405B) are not served by the router — they answer 400 regardless of tools.

Vision/Multimodal ✗​

  • Not supported via unified router
  • Individual model APIs may support

PDF Processing ✗​

  • Not supported

Extended Thinking ✗​

  • Not supported

Structured Output ✗​

  • Not supported via provider

Configuration​

# Required
HUGGINGFACE_API_KEY=hf_...

# Optional
HUGGINGFACE_MODEL=meta-llama/Llama-3.1-8B-Instruct

Known Limitations​

  • Tool calling only on specific models
  • No vision/multimodal support
  • No PDF processing
  • Model quality varies significantly
  • Some models require approval/licensing

10. LiteLLM Provider​

File: src/lib/providers/litellm.ts Provider Name: litellm Default Model: openai/gpt-4o-mini

Capabilities​

Text Generation ✓​

  • Access to 100+ models via proxy
  • Unified interface across supported providers
  • Cost tracking and analytics

Streaming ✓​

  • Real-time streaming
  • Proxies to underlying provider streams

Tool Calling ✓​

  • Full tool support
  • Depends on backend model capabilities

Vision/Multimodal ⚠️​

  • Depends on backend model
  • If proxying to GPT-4o: Vision supported
  • If proxying to Gemini: Vision supported
  • Varies by configured model

PDF Processing ✗​

  • Not supported via LiteLLM proxy

Extended Thinking ✗​

  • Not supported

Structured Output ✓​

  • JSON schema support
  • Type-safe responses

Configuration​

# Required
LITELLM_BASE_URL=http://localhost:4000
LITELLM_API_KEY=sk-anything

# Optional
LITELLM_MODEL=openai/gpt-4o-mini

Known Limitations​

  • Requires LiteLLM proxy server running
  • Capabilities depend on backend provider
  • Model format: provider/model
  • Configuration complexity for enterprise setups

11. Ollama Provider​

File: src/lib/providers/ollama.ts Provider Name: ollama Default Model: llama3.1:8b

Capabilities​

Text Generation ✓​

  • Local model execution
  • Privacy-first (no data sent to cloud)
  • Custom model support

Streaming ✓​

  • Real-time streaming
  • Dual API mode:
    • Native Ollama API (/api/generate)
    • OpenAI-compatible API (/v1/chat/completions)

Tool Calling ✓​

  • Supported on compatible models
  • Llama 3.1+ models
  • Gemma 3 models with tool training

Vision/Multimodal ⚠️​

Model-Dependent:

  • LLaVA models - Vision support
  • Gemini models - Vision support
  • Llama 3.2 Vision - Vision support

Image Support:

  • Up to 10 images (conservative limit)
  • Depends on model capabilities

PDF Processing ✗​

  • Not supported

Extended Thinking ✗​

  • Not supported

Structured Output ✗​

  • Limited structured output support

Configuration​

# Optional
OLLAMA_BASE_URL=http://localhost:11434
OLLAMA_MODEL=llama3.1:8b
OLLAMA_TIMEOUT=240000
OLLAMA_OPENAI_COMPATIBLE=false

Known Limitations​

  • Local compute requirements
  • Model quality varies
  • No PDF support
  • Vision only on specific models
  • Slower inference than cloud providers

12. OpenAI Compatible Provider​

File: src/lib/providers/openaiCompatible.ts Provider Name: openai-compatible Default Model: Auto-discovered or gpt-3.5-turbo

Capabilities​

Text Generation ✓​

  • Any OpenAI-compatible endpoint
  • vLLM, FastChat, LocalAI, etc.
  • Custom deployment support

Streaming ✓​

  • Real-time streaming
  • OpenAI-compatible SSE

Tool Calling ✓​

  • Full tool support
  • Depends on backend compatibility

Vision/Multimodal ⚠️​

  • Depends on backend endpoint
  • Auto-discovery not available for capabilities

PDF Processing ✗​

  • Not supported

Extended Thinking ✗​

  • Not supported

Structured Output ✓​

  • JSON schema support
  • Type-safe responses

Configuration​

# Required
OPENAI_COMPATIBLE_BASE_URL=https://api.custom.com/v1
OPENAI_COMPATIBLE_API_KEY=...

# Optional
OPENAI_COMPATIBLE_MODEL=model-name  # Auto-discovers if not set

Known Limitations​

  • Capabilities depend entirely on backend
  • No standardized capability detection
  • Authentication varies by provider
  • Model discovery may fail

13. OpenRouter Provider​

File: src/lib/providers/openRouter.ts Provider Name: openrouter Default Model: anthropic/claude-3-5-sonnet

Capabilities​

Text Generation ✓​

  • Access to 300+ models from 60+ providers
  • Unified API for all models
  • Automatic failover
  • Cost tracking

Streaming ✓​

  • Real-time streaming
  • Proxies to underlying provider

Tool Calling ⚠️​

Model-Dependent Support:

Supported Models:

  • Anthropic Claude models
  • OpenAI GPT-4 models
  • Google Gemini models
  • Mistral Large/Small models
  • Meta Llama 3.3, 3.2

Unsupported Models:

  • Many older/smaller models
  • Check model page for tool support

Vision/Multimodal ⚠️​

  • Depends on selected model
  • GPT-4o, Claude, Gemini support vision
  • Check model-specific capabilities

PDF Processing ✗​

  • Not supported via OpenRouter

Extended Thinking ✗​

  • Not supported

Structured Output ✓​

  • JSON schema support
  • Type-safe responses

Configuration​

# Required
OPENROUTER_API_KEY=sk-or-...

# Optional
OPENROUTER_MODEL=anthropic/claude-3-5-sonnet
OPENROUTER_REFERER=https://your-app.com
OPENROUTER_APP_NAME=YourApp

Known Limitations​

  • Tool support varies by model
  • Vision support varies by model
  • Credit-based pricing system
  • Model availability can change
  • No PDF support

Summary Tables​

Provider Comparison by Use Case​

Best for Production Text Generation​

  1. OpenAI - Most reliable, best quality
  2. Anthropic - Long context, advanced reasoning
  3. Google Vertex - Enterprise-grade, multi-model

Best for Multimodal (Vision + Text)​

  1. Anthropic - Best vision + PDF support
  2. OpenAI - Strong vision, no PDF
  3. Google AI Studio - Good vision + PDF, free tier

Best for Tool Calling​

  1. Anthropic - Most advanced agentic workflows
  2. OpenAI - Reliable function calling
  3. Google Vertex - Dual provider (Gemini + Claude)

Best for Local/Privacy​

  1. Ollama - Fully local, no cloud
  2. N/A - Only Ollama provides local execution

Best for Cost Optimization​

  1. Google AI Studio - Free tier available
  2. OpenRouter - Access to free models
  3. LiteLLM - Cost tracking, routing

Best for Extended Thinking​

  1. Anthropic - Native extended thinking
  2. Google AI Studio - Gemini 2.5+, 3.0 thinking
  3. Google Vertex - Same as AI Studio

Authentication Quick Reference​

ProviderAuth TypeEnv VarsComplexity
OpenAIAPI KeyOPENAI_API_KEYLow
AnthropicAPI KeyANTHROPIC_API_KEYLow
Google AI StudioAPI KeyGOOGLE_AI_API_KEYLow
Google VertexService AccountGOOGLE_APPLICATION_CREDENTIALSHigh
Amazon BedrockAWS CredentialsAWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEYMedium
Amazon SageMakerAWS CredentialsAWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEYHigh
Azure OpenAIAPI Key + EndpointAZURE_OPENAI_API_KEY, AZURE_OPENAI_ENDPOINTMedium
MistralAPI KeyMISTRAL_API_KEYLow
HuggingFaceAPI KeyHUGGINGFACE_API_KEYLow
LiteLLMCustomLITELLM_BASE_URL, LITELLM_API_KEYMedium
OllamaNoneOptional OLLAMA_BASE_URLLow
OpenAI CompatibleCustomOPENAI_COMPATIBLE_BASE_URL, OPENAI_COMPATIBLE_API_KEYMedium
OpenRouterAPI KeyOPENROUTER_API_KEYLow

Provider Implementation Notes​

BaseProvider Architecture​

Providers extend the BaseProvider class, which provides:

  • Unified interface for text generation and streaming
  • Tool registration and execution
  • Middleware support
  • Analytics and telemetry
  • Error handling
  • Message building for multimodal content

Dynamic Provider Loading​

Providers are registered via dynamic imports in ProviderRegistry:

  • Avoids circular dependencies
  • Lazy loading for better performance
  • Clean provider isolation

Tool Execution Flow​

  1. Tools registered with MCPToolRegistry
  2. Provider calls getAllTools() to get available tools
  3. AI model receives tool definitions
  4. Model calls tools during generation
  5. Tool results sent back to model
  6. Process repeats until completion

Version History​

  • v9.62.0 (May 2026) - Multi-provider voice (TTS/STT/realtime); 24 providers
  • v9.60.0 (April 2026) - Added DeepSeek, NVIDIA NIM, LM Studio, llama.cpp providers
  • v9.59.0 - Typed ModelAccessDeniedError + sdk.checkCredentials()
  • v9.58.0 - providerFallback callback + modelChain config
  • v9.53.0 - AutoResearch autonomous experiment engine
  • v9.52.0 - Per-request and per-instance credentials for all providers
  • v8.26.1 (January 2026) - 13 providers (historical)
  • v8.26.0 - Added video output types
  • v8.25.0 - Gemini 3 support improvements
  • v8.24.0 - Enhanced provider capabilities

Next Steps: