NOUMENOpen app

Every model.One place.

Explore the models available through Noumen. Compare capabilities, context windows, and reference pricing, then see which models people use most and how they score on public benchmarks.

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The newest models available through Noumen, ready to use in the app and the API.

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58 models
  • GPT 6.1 SolOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-6.1 Sol delivers near-Astra performance at a lower cost for complex coding, computer use, and professional work. It supports text and image input, tool calling, structured outputs, and reasoning from low through max.

    Model ID
    openai/gpt-6.1-sol
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 6.1 Sol ProOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-6.1 Sol Pro uses the same underlying model as GPT-6.1 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

    Model ID
    openai/gpt-6.1-sol-pro
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 6 SolOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-6 Sol is the cost-efficient high-end model in OpenAI's GPT-6 series, positioned below the flagship GPT-6 Astra and above the fast GPT-6 Luna tier. It is suited for demanding professional work, reasoning, coding, and agentic workflows.

    Model ID
    openai/gpt-6-sol
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 6 Sol ProOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-6 Sol Pro uses the same underlying model as GPT-6 Sol with Pro reasoning mode enabled for higher-quality responses on complex tasks.

    Model ID
    openai/gpt-6-sol-pro
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT Astra LatestOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$10Output / 1M$50Show model details

    Compatibility alias that routes to GPT 6 Astra, the latest supported GPT Astra model.

    Model ID
    openai/gpt-astra-latest
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT Sol LatestOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    Compatibility alias that routes to GPT 6.1 Sol, the latest supported GPT Sol model.

    Model ID
    openai/gpt-sol-latest
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT Terra LatestOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$12Show model details

    Compatibility alias that routes to GPT 5.6 Terra, the latest supported GPT Terra model.

    Model ID
    openai/gpt-terra-latest
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 6 Astra ProOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$10Output / 1M$50Show model details

    GPT 6 Astra in Pro reasoning mode. Uses additional model work for difficult tasks, with higher latency and token usage at the same per-token rates. Reasoning effort remains independently configurable.

    Model ID
    openai/gpt-6-astra-pro
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 6 AstraOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$10Output / 1M$50Show model details

    OpenAI's most capable model for the hardest end-to-end work, with state-of-the-art performance in computer use, browsing, software engineering, science, and professional tasks. Astra is designed to carry long, multistep workflows across code, browsers, and professional software through to a finished result.

    Model ID
    openai/gpt-6-astra
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.6 SolOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-5.6 Sol is the flagship model in OpenAI's GPT-5.6 series. It is suited for complex reasoning, coding, agentic workflows, command-line work, and multi-step professional tasks.

    Model ID
    openai/gpt-5.6-sol
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.6 Sol ProOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    GPT-5.6 Sol with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.

    Model ID
    openai/gpt-5.6-sol-pro
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.6 TerraOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$12Show model details

    GPT-5.6 Terra is the balanced model in OpenAI's GPT-5.6 series, positioned between flagship Sol and cost-efficient Luna. It is suited for everyday coding, reasoning, agentic work, and general professional tasks.

    Model ID
    openai/gpt-5.6-terra
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.6 Terra ProOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$12Show model details

    GPT-5.6 Terra with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.

    Model ID
    openai/gpt-5.6-terra-pro
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT Chat LatestOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2Output / 1M$10Show model details

    Compatibility chat alias that routes to GPT 5.6 Sol, the flagship GPT-5.6 tier for complex reasoning, coding, and agentic workflows.

    Model ID
    openai/gpt-chat-latest
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.5OpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$5Output / 1M$30Show model details

    GPT-5.5 is an OpenAI model, built for agentic coding, computer use, and professional knowledge work with stronger reasoning and token efficiency.

    Model ID
    openai/gpt-5.5
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT LatestOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$10Output / 1M$50Show model details

    Compatibility alias that routes to GPT 6 Astra, the newest GPT flagship for complex reasoning, coding, and agentic workflows.

    Model ID
    openai/gpt-latest
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.4OpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext1.1MInput / 1M$2.5Output / 1M$15Show model details

    GPT-5.4 is an OpenAI model for professional work with stronger reasoning, coding, and tool use.

    Model ID
    openai/gpt-5.4
    Discovery tier
    Frontier
    Context window
    1,050,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.3 CodexOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext400KInput / 1M$1.75Output / 1M$14Show model details

    Coding-focused GPT-5.3 variant with optimized routing.

    Model ID
    openai/gpt-5.3-codex
    Discovery tier
    Frontier
    Context window
    400,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.2 CodexOpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext400KInput / 1M$1.75Output / 1M$14Show model details

    Coding-focused GPT-5.2 variant with optimized routing.

    Model ID
    openai/gpt-5.2-codex
    Discovery tier
    Frontier
    Context window
    400,000 tokens
    Benchmarks, speed and comparisons
  • GPT 5.2OpenAICapabilities: Reasoning, Tools, Vision, Structured output, PDF inputContext400KInput / 1M$1.75Output / 1M$14Show model details

    GPT-5.2 is an OpenAI GPT-5-series model with strong reasoning and long-context performance.

    Model ID
    openai/gpt-5.2
    Discovery tier
    Frontier
    Context window
    400,000 tokens
    Benchmarks, speed and comparisons

Reference pricing in USD per 1M tokens, as published by model providers. Discovery tiers describe model metadata, rather than benchmark rankings.