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    GPT-6.1 Sol

    Code Assistant

    GPT-6.1 Sol is OpenAI's September 2026 Sol-class model for agentic coding, computer use, and professional work. It targets near-GPT-6 Astra quality at about one-fifth of Astra's standard API input/output prices, with strong cached-input discounts for long-running agents.

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    Also mentioned

    • ChatGPT
    • Claude
    • Grok
    • Muse Spark
    • OpenAI Dots

    Features & details

    Full overview from our catalog (read-only reference).

    Category (short)
    Code Assistant
    Category
    Code Assistant
    Pricing (CSV)
    Paid Service
    Directory pricing
    Paid
    Sponsored note
    no
    Target audience
    Developers & engineers
    Best for
    Builders who want near-frontier agentic coding and computer use without Astra's full token price. Not ideal for: Free/Go ChatGPT users (not in launch rollout) or workloads that need the absolute top Astra tier.
    Pricing notes
    Verified October 2026 at https://developers.openai.com/api/docs/models/gpt-6.1-sol and OpenAI API pricing. Short context Standard: $2 input / $0.10 cached / $2.50 cache write / $10 output per 1M tokens. ChatGPT Work/Codex access for Plus+; Enterprise/Edu often admin-gated.

    Pros & cons

    Editorial notes to help compare fit before opening the vendor site.

    Pros

    • Clear price cut vs GPT-6 Astra on standard rates
    • Cheap cached input for agent loops that reuse context
    • Ships in API, Codex, and ChatGPT Work

    Cons

    • Not available in standard ChatGPT Chat at launch
    • Still proprietary cloud-only
    • Long-context and Fast mode raise cost

    Review notes

    Context from the listing review and editorial research.

    NEW tool. Model surface for the directory (like Muse Spark). DISAMBIGUATION: not GPT-6 Astra, not GPT-6 Luna, not OpenAI Dots (agent product). Consumer chat still routes through ChatGPT; this entry covers the Sol 6.1 model/API/Work/Codex surface. Last verified: October 2026.

    Extended features

    In-depth description and capability notes.

    API model id gpt-6.1-sol Near-Astra quality for coding, computer use, and multi-step professional tasks at lower token cost Standard short-context API: $2 / 1M input, $0.10 / 1M cached input, $2.50 / 1M cache writes, $10 / 1M output Long-context rates higher ($4 / $0.20 / $5 / $15 per 1M) Available in ChatGPT Work and Codex (Plus/Pro/Business/Enterprise/Edu); not in ordinary Chat at launch Computer use and Responses API tool support Fast mode at 2x Standard; Batch/Flex at 50% of Standard

    Use cases

    Developers and teams run coding agents, computer-use workflows, and professional automation through the OpenAI API, Codex, or ChatGPT Work where the model is enabled.