Releases

GPT-6.1 Sol

OpenAI
MiniRouter and GPT-6.1 Sol by OpenAI, separated by a silver fold of light on black.

OpenAI's latest Sol targets complex coding and professional work. Standard and Fast share a 1.05M-token context window.

GPT-6.1 Sol is available on MiniRouter as . The model page has current pricing, provider routes and API setup.

View GPT-6.1 Sol

About the model

  • Context: 1.05M tokens. 128K maximum output; input and output share the context window.
  • Reasoning: low → max. Medium is the default. None and minimal are unsupported.
  • Fast model ID: openai/gpt-6.1-sol-fast. Fast publisher rates: $4 input and $20 output per million tokens.

OpenAI publisher pricing

Publisher rates exclude MiniRouter markup. Fast is 2x Standard; long-context and regional pricing can increase the full request price. Current customer rates belong to the live catalog.

OpenAI publisher-listed API price phases in US dollars per million tokens.
PhaseInput / 1MOutput / 1MBlended / 1MEffectiveSource
Standard publisher price$2.00$10.00$4.00Sep 29, 2026 – open-endedOpenAI ↗

See current MiniRouter rates and how billing works.

Publisher-reported benchmarks

Results from the publisher’s announcement, grouped by unit.

Vercel dates the release September 29, 2026. No benchmark score is asserted here.

Use Responses for tool calling; Chat Completions supports requests without tools. MiniRouter admits text and image input, not PDF.

Above 272K input tokens, the full request costs 2x for input and cache and 1.5x for output. Regional processing adds 10% where available; Fast is unavailable with EU data residency.

MiniRouter availability follows the routable catalog; upstream listings do not verify inference or billing.

Independent measurements

Artificial Analysis evaluations of the first-party API.

Not yet evaluated

Artificial Analysis has not published measurements for GPT-6.1 Sol as of Sep 21, 2026. Publisher claims above stand alone until they do.

Source: Artificial Analysis ↗, read Sep 21, 2026. Measured on the model's first-party API, not a MiniRouter route.

Keep exploring

Compare published results in the model rankings and coding benchmarks, or read more model releases.

For MiniRouter product updates, visit the changelog.

Sources

  1. OpenAI GPT-6.1 Sol documentation

    Published Sep 29, 2026

    Read at OpenAI ↗

Editorial reference revised 2026-09-29. Catalog status comes from the generated routing snapshot.