cd /news/large-language-models/chatgpt-5-6-openai-releases-gpt-5-6-… · home › topics › large-language-models › article
[ARTICLE · art-44094] src=outyet.ai ↗ pub= topic=large-language-models verified=true sentiment=· neutral

ChatGPT 5.6: OpenAI releases GPT-5.6 in limited preview - Sol, Terra and Luna variants, gated to ~20 partners at US government request

OpenAI has released GPT-5.6 in a limited preview with three variants—Sol, Terra, and Luna—gated to approximately 20 partners at the request of the US government. The model is not yet available to the general public, and its release date is estimated by the community to be around July 5, 2026.

read1 min views11 publishedJun 26, 2026
ChatGPT 5.6: OpenAI releases GPT-5.6 in limited preview - Sol, Terra and Luna variants, gated to ~20 partners at US government request
Image: Outyet (auto-discovered)
[OutYet.ai](/)

[OpenAI](/providers/openai)ChatGPT 5.6

No.

When is ChatGPT 5.6 coming out? #

ChatGPT 5.6 is not out yet. Readers guessing here settle on an average of Jul 5, 2026, drawn from 6 guesses. OutYet.ai rechecks OpenAI's official release surfaces every minute and flips this page the moment access goes live. Last checked Jun 29, 2026.

Last checked just now

Wisdom of the crowd

6 days till release

6 guesses

Pick your release guess

June 29, 2026

July 1, 2026

August 1, 2026

Sign in Benchmarks

No benchmark scores published yet.

Vibe Rating

Community sentiment — how the user base feels about this model. Not a sourced benchmark.

No Vibe Ratings yet — be the first to rate this model.

Vibe Ratings open once this model is released — rate it after you’ve tried it. For now, you can guess its release date above.

Community Consensus

AI-generated from public community feedback — not a sourced fact.

Not enough public feedback yet to summarize. Add a comment or a Vibe Rating to help build the community consensus.

Discussion

source & further reading
outyet.ai — original article Leanstral 1.5: ICYMI: Mistral released Leanstral 1.5, a SOTA open model for Lean 4 proof engineering. > Developers use Lean 4 as a general-purpose functional language (for CLI tools and libraries)… Muse Spark: Meta is still training their big models but we will get an update on Muse Spark soon https://t.co/M62UrzO40q Llama 5: Meta's next frontier model 'Watermelon' reportedly caught GPT-5.5 on internal benchmarks (still training)
── more in #large-language-models 4 stories · sorted by recency
── more on @openai 3 stories trending now
sponsored brought to you by zahid.host 4,200+ EU-deployed projects
reading about agents? ship yours in a single git push.

Run your AI side-project on zahid.host

EU-based hosting, git-push deploys, automatic HTTPS, no cold starts. Free tier with a custom domain — perfect for shipping the agent you just read about.

$git push zahid main
→ Live at https://your-agent.zahid.host ✓
Get free account → Pricing
from €0/mo · no card required
LIVE [news/chatgpt-5-6-openai-r…] indexed:0 read:1min 2026-06-26 · —