10 tracked signals on gpt-5.6.
Quoting OpenAI
Simon Willison · Jun 26, 2026
OpenAI previews the GPT-5.6 series (Sol, Terra, Luna) with lower pricing and government-coordinated limited release.
“We previewed our plans and the models' capabilities ahead of today's launch. At their request, we are starting with a limited preview for a small group of trusted partners whose participation has been shared with the government, before releasing more broadly.”
Previewing GPT-5.6 Sol: a next-generation model
OpenAI · OpenAI Blog · Jun 26, 2026
OpenAI previews GPT-5.6 Sol, a next-gen model with gains in coding, science, and cybersecurity plus an advanced safety stack.
Get started with OpenAI GPT-5.6 Sol, Terra, and Luna on Amazon Bedrock
AWS Machine Learning Blog · Jul 24, 2026
OpenAI GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrock.
[AINews] OpenAI GPT-5.6 Sol / Terra / Luna — restricted to trusted partners
Latent Space Blog · Jun 27, 2026
OpenAI previewed GPT-5.6 Sol, a coding-capable model released only to trusted partners.
“GPT‑5.6 Sol does not cross the Cyber Critical threshold under our Preparedness Framework.”
Introducing OpenAI models on Amazon Bedrock for in-country inferencing in India
AWS Machine Learning Blog · Aug 27, 2026
OpenAI GPT-5.6 models now available on Amazon Bedrock with India-only data residency
Introducing explicit prompt caching for OpenAI GPT-5.6 models on Amazon Bedrock
AWS Machine Learning Blog · Jul 30, 2026
OpenAI GPT-5.6 models launch on Amazon Bedrock with explicit prompt caching at 90% discount.
“Cached input is billed at a 90 percent discount (see the Amazon Bedrock pricing page) and stays available for reuse for 30 minutes.”
Am I paying for a giant model I don't need?
Microsoft Developer (Build) · Oct 01, 2026
Microsoft Foundry model router achieves 37.7% cost savings by routing prompts to appropriately-sized models
Introducing cross-Region inference for OpenAI GPT-5.6 models on Amazon Bedrock
AWS Machine Learning Blog · Aug 20, 2026
Amazon Bedrock now offers OpenAI GPT-5.6 models with cross-Region inference across 25+ AWS Regions
“By allowing requests to draw on a broader pool of compute rather than being bound to one Region's available capacity, it improves throughput and helps maintain consistent performance under load.”
Moonlight & Mayhem (Raccoon Heist by Codex + GPT-5.6 Sol Ultra)
Simon Willison · Aug 07, 2026
GPT-5.6 Sol Ultra via Codex produced a richer game than Claude Fable 5 but missed a visible rendering bug
“Despite reviewing screenshots during development Codex failed to spot and correct this bug.”
How V7 gives AI agents institutional memory
OpenAI · OpenAI Blog · Sep 21, 2026
V7 uses GPT-5.6 to turn scattered company files into institutional memory for AI agents.
“V7 turns scattered company files into context agents can use to complete complex, source-linked work.”