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OpenAI releases GPT-6.1 Sol: near-Astra performance at a fifth of the price

GPT-6.1 Sol at a glance

GPT-6.1 Sol targets complex coding and professional work at $2/$10 per million tokens, with multi-agent support in beta.

Current standing

As of

Rank
#4of 43 models

GPT-6.1 Sol (Max) · 54.6 on the Artificial Analysis Intelligence Index v5.0.1 (opens in a new tab)

Recorded at publication
55 (v5.0.1)

as of

Current leader
Gemini 4 Carbon (Google) · 60

Computed from our daily snapshot; it changes as new models are measured. OpenAI releases GPT-6.1 Sol: near-Astra performance at a fifth of the price

What changed with GPT-6.1 Sol

OpenAI released GPT-6.1 Sol (gpt-6.1-sol) on September 29, 2026, for complex coding and professional work at a lower cost than GPT-6 Astra. OpenAI describes it as offering near-Astra performance; it supports multi-agent workflows in beta, a context window of about 1.05M tokens and reasoning up to 'max'.

Artificial Analysis scores GPT-6.1 Sol 55 on Intelligence Index v5.0.1, two points below Astra's 57, at 51 tokens/s. List pricing is $2 input and $10 output per million tokens, one fifth of Astra's rates. Ultrafast mode for 6.1 Sol arrived on October 8 at 6x the standard rate.

GPT-6.1 Sol benchmarks and pricing

Values are copied from the linked source on the date shown. They are not IA Compa measurements.

Artificial Analysis Intelligence Index (max)as of · Source for Artificial Analysis Intelligence Index (max): artificialanalysis.ai (opens in a new tab)
55 (v5.0.1)
Output speed (max)as of · Source for Output speed (max): artificialanalysis.ai (opens in a new tab)
51 tokens/s
Context windowas of · Source for Context window: developers.openai.com (opens in a new tab)
1.05M tokens

How it compares

Other models in the same category that we have covered, using each model's latest recorded value. (Models)

Intelligence indexhigher is better
Output speed (tokens/s)higher is better
Input price (USD per 1M tokens)lower is better
Output price (USD per 1M tokens)lower is better
Context window (tokens)higher is better

GPT-6.1 Sol reasoning effort

Artificial Analysis tests this model at several reasoning-effort settings. Higher effort usually scores higher but costs more and answers more slowly.

GPT-6.1 Sol by effort level

Higher effort lets the model think longer. Here is what each setting scores, how fast it writes, and what it costs on Artificial Analysis.

Intelligence Index · higher is better
Cost to run the index · lower is betterHover, tap or focus a point for exact numbers.
GPT-6.1 Sol: Artificial Analysis results by reasoning effort
EffortIntelligence IndexOutput speed (tokens per second)Cost to run the indexBlended price (3:1) (per 1M tokens)Price in / out (per 1M tokens)First token
Max (GPT-6.1 Sol (max)) · Best: highest effort with a score, used in the leaderboard5551$1,124$4$2 / $10207 s
Extra high (GPT-6.1 Sol (xhigh))5352$718$4$2 / $1079 s
High (GPT-6.1 Sol (high))5053$573$4$2 / $1046 s
Medium (GPT-6.1 Sol (medium))4654$389$4$2 / $106.8 s
Low (GPT-6.1 Sol (low))3554$238$4$2 / $102.8 s
Price: $2 / $10 per 1M input / output tokens at every effort.Artificial Analysis · as of Nov 5, 2026 (opens in a new tab)

Benchmarked by AA: max · xhigh · high · medium · low of 6 available

Where to compare GPT-6.1 Sol

Independent leaderboards and official resources for comparing this model yourself. Rankings change often; each site shows its own current data.

Why GPT-6.1 Sol matters for businesses

The same day OpenAI also added computer use to the Agents API and Ultrafast mode for GPT-6 Astra. For agencies, 6.1 Sol is the practical default for demanding automations: close to the flagship's quality at a much lower cost. Note the official name is 'Sol', not 'Soul'.

Sources for this story

  1. OpenAI API changelog (opens in a new tab)

    OpenAI · developers.openai.com

    Official
  2. GPT-6.1 Sol model page (opens in a new tab)

    OpenAI · developers.openai.com

    Official
  3. Official
  4. GPT-6.1 Sol model page (opens in a new tab)

    Artificial Analysis · artificialanalysis.ai

    Benchmark

Last verified: . IA Compa summarizes public announcements for business readers. We are not affiliated with the companies mentioned. Always confirm details, pricing, and availability with the official source.

  • #llm
  • #openai
  • #gpt-6
  • #coding
  • #multi-agent

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