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AI models · OpenAI

GPT-6 Sol: release date and what it's for

Released , according to OpenAI's announcement. The middle of the GPT-6 family, and a different model from GPT-5.6 Sol despite the shared name. It costs half what GPT-5.6 Sol does.

Status
Live
Released
Lab
OpenAI
Input
$2per million tokens
Output
$10per million tokens
Context window
1.05Mtokens
Max output
128Ktokens

API model ID: gpt-6-sol

What is GPT-6 Sol capable of?

21 posts from people showing what they made with GPT-6 Sol, newest and most-reacted first. People are posting 3d, science and game made with it.

3DVideoX
Video from X. Loads here.

Bhavy☄️ (@Bhavani_00007) on X

ScienceVideoReddit
Video from Reddit. Loads here.

See the post on Reddit

GameVideoX
Video from X. Loads here.

Chetan Ankola (@chetanankola) on X

GameVideoX
Video from X. Loads here.

sᴛғᴜ '-' (@stfu0911) on X

GameVideoX
Video from X. Loads here.

Maim (@ma_aim2) on X

3DVideoX
Video from X. Loads here.

Maim (@ma_aim2) on X

DemoVideoX
Video from X. Loads here.

AP (@apunlisted) on X

3DVideoReddit
Video from Reddit. Loads here.

See the post on Reddit

3DVideoReddit
Video from Reddit. Loads here.

See the post on Reddit

Each card is the original post, shown the way X or Reddit embeds it, with a link to where it came from. We picked the ones that show something being made and skipped the benchmark screenshots. We can't vouch for any of them being unedited.

Demos from every model

What we've written about GPT-6 Sol

October 11, 2026

Microsoft builds Decision-1 on Alibaba's Qwen and plans to move it to OpenAI and MAI models

The model scores a fixed list of choices instead of writing answers, and Microsoft puts it 35 times quicker than GPT-6 Sol.

October 7, 2026

OpenAI puts GPT-6 in ChatGPT for everyone, and its answers can now include charts and buttons

Ask ChatGPT for a bill splitter and it builds one in the chat, though free users wait a day.

September 29, 2026

GPT-6.1 Sol costs a fifth of GPT-6 Astra and halves the price of cached input

It lists at the same price as Claude Sonnet 5.5, but its cached input now costs half as much.

September 28, 2026

Claude Sonnet 5.5 beats Opus 5.5 on Anthropic's terminal coding test, at half the token price

The cheaper model beat Opus 5.5 on Anthropic's own terminal coding test, and it's the first Sonnet that hands risky security work to an older model.

September 23, 2026

Codex models and plans explained: GPT-6 Astra, Sol and Luna, and which plan gets which

Pick any GPT-6 model you like on your laptop, but a Codex cloud task on a ChatGPT plan still runs on last generation's Sol.

September 23, 2026

Claude Code vs Codex vs Gemini CLI: which plan you need and which models you get

One of the three stopped serving individual subscribers in June, but its own docs still advertise the free tier it closed.

September 23, 2026

OpenAI model release dates: o3, GPT-5.5 and GPT-6 Astra, Sol and Luna in order

o3 is from April 2025, and the name Sol now means something different from what it meant in July.

September 22, 2026

OpenAI's GPT-6 Sol costs a fifth of Astra per token, and Luna a hundredth

Sam Altman says the pair beats the 5.6 models at half the price per token, and OpenAI's own docs still send new users to Astra first.

How GPT-6 Sol compares on price and context

Price per million tokens

inputoutput

  1. GPT-6 Astra$10 / $50
  2. Claude Fable 5.1$10 / $50
  3. GPT-5.6 Terra$2 / $12
  4. GPT-6 Sol$2 / $10
  5. Muse Spark 1.3$1.25 / $4.25
  6. Gemini 3.8 Flash$0.75 / $3.75
  7. GPT-6 Luna$0.10 / $0.50
Context window, in tokens

how much it reads at once

  1. GPT-6 Sol1.05M
  2. GPT-6 Luna1.05M
  3. GPT-6 Astra1.05M
  4. GPT-5.6 Terra1.05M
  5. Muse Spark 1.31.05M
  6. Gemini 3.8 Flash1.05M
  7. Claude Fable 5.11M

Next to the newest OpenAI models and the current model from other labs. Prices are in US dollars per million tokens.

What is GPT-6 Sol?

GPT-6 Sol is a model from OpenAI, built in the US. It's out, and you can use it today.

When did GPT-6 Sol come out?

OpenAI released it on September 22, 2026. That date comes from OpenAI's announcement.

More from OpenAI

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out /1M
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context
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