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NixoNixo

Model catalog

Models built for the work ahead.

Compare model families by provider, editorial strength, and capabilities, then open a model to see its supported endpoints.

Model catalog

Showing 32 models of 32. Filter, sort, and group by provider to find the right generation for each workload.

Anthropic

7 models
  • Anthropic · Frontier

    Frontier reasoning and coding model from the Opus family, tuned for production agent workflows.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    Anthropic
    Model ID
    anthropic/opus-5-5
    Provider model ID
    claude-opus-5-5
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Frontier

    Frontier reasoning and coding model from the Fable family, tuned for production agent workflows.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    Anthropic
    Model ID
    anthropic/fable-5
    Provider model ID
    claude-fable-5
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Frontier

    Top-tier Claude model for ambitious reasoning, long-form analysis, and autonomous tasks.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    Anthropic
    Model ID
    anthropic/claude-opus-5
    Provider model ID
    claude-opus-5
    Context window
    Long context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Advanced

    High-capability Claude generation with reliable coding and tool use at production scale.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +1 more
    Provider
    Anthropic
    Model ID
    anthropic/claude-opus-4.8
    Provider model ID
    claude-opus-4-8
    Context window
    Long context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Advanced

    Mature Claude generation favored for dependable, well-instrumented production work.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +1 more
    Provider
    Anthropic
    Model ID
    anthropic/claude-opus-4.7
    Provider model ID
    claude-opus-4-7
    Context window
    Long context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Advanced

    Balanced Claude model with vision support and structured output for everyday workloads.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +2 more
    Provider
    Anthropic
    Model ID
    anthropic/claude-sonnet-5
    Provider model ID
    claude-sonnet-5
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified
  • Anthropic · Fast

    Lightweight, fast Claude generation for high-throughput assistants and inline tooling.

    • Coding
    • Agents
    • Vision
    • Structured output
    • +1 more
    Provider
    Anthropic
    Model ID
    anthropic/claude-haiku-4.5
    Provider model ID
    claude-haiku-4-5
    Context window
    Compact context · 200K tokens
    Inputs
    • Text
    • Images
    • Files
    Outputs
    • Text
    Verification
    Verified

OpenAI

10 models
  • OpenAI · Frontier

    Advanced OpenAI generation for demanding reasoning, coding, and production workloads.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +2 more
    Provider
    OpenAI
    Model ID
    openai/gpt-6-sol
    Provider model ID
    gpt-6-sol
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Frontier

    Advanced OpenAI generation for demanding reasoning, coding, and production workloads.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +2 more
    Provider
    OpenAI
    Model ID
    openai/gpt-6-luna
    Provider model ID
    gpt-6-luna
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Frontier

    Advanced OpenAI generation for demanding reasoning, coding, and production workloads.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +2 more
    Provider
    OpenAI
    Model ID
    openai/gpt-6-astra
    Provider model ID
    gpt-6-astra
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Frontier

    Frontier OpenAI generation combining reasoning, coding, and multimodal understanding.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +2 more
    Provider
    OpenAI
    Model ID
    openai/gpt-5.6-sol
    Provider model ID
    gpt-5.6-sol
    Context window
    Extended context · 1.05M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Frontier

    Frontier GPT generation tuned for grounded reasoning over long, mixed-source inputs.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    OpenAI
    Model ID
    openai/gpt-5.6-terra
    Provider model ID
    gpt-5.6-terra
    Context window
    Long context · 1.05M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Advanced

    Multimodal GPT generation for product copilots with broad language coverage.

    • Coding
    • Vision
    • Multimodal
    • Structured output
    • +1 more
    Provider
    OpenAI
    Model ID
    openai/gpt-5.6-luna
    Provider model ID
    gpt-5.6-luna
    Context window
    Extended context · 1.05M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • OpenAI · Advanced

    Versatile GPT generation balancing reasoning, coding, and tool use for general workloads.

    • Reasoning
    • Coding
    • Agents
    • Multimodal
    • +1 more
    Provider
    OpenAI
    Model ID
    openai/gpt-5.5
    Provider model ID
    gpt-5.5
    Context window
    Extended context · 1.05M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Editorial
  • OpenAI · Advanced

    Established GPT generation with dependable reasoning and structured output behavior.

    • Reasoning
    • Coding
    • Vision
    • Structured output
    Provider
    OpenAI
    Model ID
    openai/gpt-5.4
    Provider model ID
    gpt-5.4
    Context window
    Extended context · 1.05M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Editorial
  • OpenAI · Fast

    Compact GPT generation for high-volume assistants and inline classification tasks.

    • Coding
    • Vision
    • Structured output
    • Multilingual
    Provider
    OpenAI
    Model ID
    openai/gpt-5.4-mini
    Provider model ID
    gpt-5.4-mini
    Context window
    Compact context · 400K tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Editorial
  • OpenAI · Advanced

    OpenAI image generation for production creative pipelines, with reliable prompt adherence and editable outputs.

    • Images generation
    • Structured output
    Provider
    OpenAI
    Model ID
    openai/gpt-image-2.5-sunburst
    Provider model ID
    gpt-image-2.5-sunburst
    Context window
    Image generation · Not published
    Inputs
    • Text
    Outputs
    • Images
    Verification
    Verified

DeepSeek

2 models
  • DeepSeek · Advanced

    Open-weight flagship with deep reasoning and long-context coding for agent systems.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +1 more
    Provider
    DeepSeek
    Model ID
    deepseek/deepseek-v4-pro
    Provider model ID
    deepseek-v4-pro
    Context window
    Long context · 1M tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Partially verified
  • DeepSeek · Fast

    Fast open-weight generation for inline tooling, routing, and lightweight agents.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +1 more
    Provider
    DeepSeek
    Model ID
    deepseek/deepseek-v4-flash
    Provider model ID
    deepseek-v4-flash
    Context window
    Compact context · 1M tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Partially verified

z.ai

3 models
  • z.ai · Fast

    High-throughput open-weight model optimized for low-latency multilingual assistants.

    • Reasoning
    • Coding
    • Agents
    • Structured output
    • +1 more
    Provider
    z.ai
    Model ID
    z-ai/glm-5-turbo
    Provider model ID
    glm-5-turbo
    Context window
    Compact context · 203K tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Editorial
  • z.ai · Advanced

    Open-weight GLM generation with strong reasoning across multilingual code and prose.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    z.ai
    Model ID
    z-ai/glm-5.1
    Provider model ID
    glm-5.1
    Context window
    Long context · 205K tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Editorial
  • z.ai · Advanced

    Newest open-weight GLM release with extended reasoning and refined structured output.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    z.ai
    Model ID
    z-ai/glm-5.2
    Provider model ID
    glm-5.2
    Context window
    Long context · 1M tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Editorial

Nixo

3 models
  • Nixo logo

    Nixo Flash

    Coming Soon

    Nixo · Fast

    Fast open-weight generation for inline tooling, routing, lightweight agents and compact text generation.

    • Reasoning
    • Coding
    • Agents
    • Long context
    • +2 more
    Provider
    Nixo
    Model ID
    nixo/nixo-flash
    Provider model ID
    nixo-flash
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    Outputs
    • Text
    Verification
    Verified
  • Nixo logo

    Nixo Security

    Coming Soon

    Nixo · Frontier

    An Frontier model built for cybersecurity tasks, including vulnerability analysis, threat detection, and secure code review.

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +3 more
    Provider
    Nixo
    Model ID
    nixo/nixo-security
    Provider model ID
    nixo-security
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified
  • Nixo logo

    Nixo Company

    Coming Soon

    Nixo · Frontier

    An Frontier model that helps businesses automate workflows and handle everyday tasks more efficiently

    • Reasoning
    • Coding
    • Agents
    • Vision
    • +3 more
    Provider
    Nixo
    Model ID
    nixo/nixo-company
    Provider model ID
    nixo-company
    Context window
    Extended context · 1M tokens
    Inputs
    • Text
    • Images
    Outputs
    • Text
    Verification
    Verified

Meta

1 model
  • Meta · Advanced

    Meta image generation tuned for expressive, high-fidelity visuals from short natural-language prompts.

    • Images generation
    Provider
    Meta
    Model ID
    meta/muse-image
    Provider model ID
    muse-image
    Context window
    Image generation · Not published
    Inputs
    • Text
    Outputs
    • Images
    Verification
    Verified

Fish Audio

1 model
  • Fish Audio · Advanced

    Fish Audio's most advanced voice model, covering 83 languages with expressive, production-ready speech synthesis.

    • Audio generation
    • Multilingual
    Provider
    Fish Audio
    Model ID
    fish-audio/s2.1-pro-free
    Provider model ID
    s2.1-pro-free:free
    Context window
    Streaming synthesis · Realtime
    Inputs
    • Text
    Outputs
    • Audio
    Verification
    Verified

Deepgram

1 model
  • Deepgram · Fast

    Conversation-native text to speech that keeps its natural cadence across long, multi-turn voice interactions.

    • Audio generation
    Provider
    Deepgram
    Model ID
    deepgram/flux-tts
    Provider model ID
    flux-tts:free
    Context window
    Streaming synthesis · Realtime
    Inputs
    • Text
    Outputs
    • Audio
    Verification
    Verified

Liquid AI

1 model
  • Liquid AI · Fast

    Compact bi-directional LFM embedding model for fast, accurate cross-lingual search across 11+ languages.

    • Embeddings
    • Multilingual
    Provider
    Liquid AI
    Model ID
    liquid/lfm-2.5-embedding-350m
    Provider model ID
    lfm-2.5-embedding-350m:free
    Context window
    Multilingual retrieval · Not published
    Inputs
    • Text
    Outputs
    • Embeddings
    Verification
    Verified

NVIDIA

3 models
  • NVIDIA · Balanced

    NVIDIA embedding model for dense vector search, semantic similarity, and retrieval-augmented pipelines.

    • Embeddings
    • Multilingual
    Provider
    NVIDIA
    Model ID
    nvidia/nemotron-3-embed-1b
    Provider model ID
    nemotron-3-embed-1b:free
    Context window
    Multilingual retrieval · Not published
    Inputs
    • Text
    Outputs
    • Embeddings
    Verification
    Verified
  • NVIDIA · Balanced

    Multimodal embedding model that turns text queries and document images into vectors for one shared search space.

    • Embeddings
    • Multimodal
    Provider
    NVIDIA
    Model ID
    nvidia/llama-nemotron-embed-vl-1b-v2
    Provider model ID
    llama-nemotron-embed-vl-1b-v2:free
    Context window
    Multimodal retrieval · Not published
    Inputs
    • Text
    • Images
    Outputs
    • Embeddings
    Verification
    Verified
  • NVIDIA · Balanced

    Multimodal reranker that rescores retrieved text and document images so the strongest candidates reach the top.

    • Rerank
    • Multimodal
    Provider
    NVIDIA
    Model ID
    nvidia/llama-nemotron-rerank-vl-1b-v2
    Provider model ID
    llama-nemotron-rerank-vl-1b-v2:free
    Context window
    Relevance scoring · Not published
    Inputs
    • Text
    • Images
    Outputs
      Verification
      Verified

    API compatibility

    One interface, documented support.

    Check which Nixo endpoints are available across the catalog.

    EndpointSupported families
    /v1/messagesClaude, Fable, and open model groups
    /v1/chat/completionsClaude, Fable, GPT, and open model groups
    /v1/responsesFable, GPT, and open model groups
    /v1/modelsAll documented models available to the authenticated key
    /v1/imagesGPT Image 2.5 Sunburst, Meta: Muse Image
    /v1/audio/speechFlux TTS, S2.1 Pro
    /v1/embeddingsLFM2.5-Embedding-350M, Llama Nemotron Embed VL 1B V2, Nemotron 3 Embed 1B
    /v1/rerankLlama Nemotron Rerank VL 1B V2
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