Release dates
— OpenAI launched GPT-6.1 Sol (`gpt-6.1-sol`) as an upgrade to GPT-6 Sol for coding, computer use and professional work, with text/image input, 1.05M context and 128K output, available in the API, ChatGPT Work and Codex. ↗
GPT-6.1 Sol
The Sol model in the GPT-6.1 series, with API ID `gpt-6.1-sol`; it targets complex coding, computer use, and professional work with near-GPT-6-Astra capability at lower cost.
API model ID `gpt-6.1-sol`; OpenAI’s launch article confirms API access and availability in ChatGPT Work and Codex for Plus, Pro, Business, Enterprise and Edu, subject to workspace permissions. Regular Chat is not yet supported.
MODEL NUMBER069
- First public date
- 2026-09-29
- Organization
- OpenAI
- Family
- GPT
01
Specifications
Only published specifications are shown.
02
Overview
Why it mattered
GPT-6.1 Sol was introduced in OpenAI’s system card as a new model family in the GPT-6 series; its API page lists 1.05M context and 128K output, with Responses API tools and Multi-agent Beta.
PreviousGPT-6 Sol— · 1.05M ctx
CurrentGPT-6.1 Sol— · 1.05M ctx
04
Architecture & capabilities
Model capabilities
CodingLong-horizon agent
Connected tools
Computer useWeb searchFile searchImage generationCode interpreter
API features
Adjustable reasoning
Product features
Multi-agent
05
Release history
OpenAI launched GPT-6.1 Sol (`gpt-6.1-sol`) as an upgrade to GPT-6 Sol for coding, computer use and professional work, with text/image input, 1.05M context and 128K output, available in the API, ChatGPT Work and Codex.
View source06
Related models
Select a card to view the related model.
07
Sources
01
Introducing GPT-6.1 SolOpenAI · Checked 2026-09-29
Official · Verified02OpenAI API ChangelogOpenAI · Checked 2026-09-29
Official · Verified03GPT-6.1 Sol ModelOpenAI · Checked 2026-09-29
Official · Verified04Addendum to GPT-6 Astra System Card: GPT-6.1 SolOpenAI · Published 2026-09-29 · Checked 2026-09-29
Official · Verified05ChatGPT Work and Codex: GPT-6.1 Sol availabilityOpenAI · Checked 2026-09-29
Official · VerifiedSuggest a correction
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