LaunchAI ModelsJuly 13, 2026
OpenAI releases GPT-5.6 with Sol, Terra, Luna variants
GPT-5.6 Luna outperforms GPT-5.5 at highest reasoning while costing 25x less. The lineup includes three tiers—Sol, Terra, Luna—with Sol topping the DeepSWE leaderboard at 73%.
15 sources
OpenAI GPT-5.6 Sol, Terra, and Luna are now generally available on Amazon Bedrockaws.amazon.com
Previewing GPT-5.6 Sol: a next-generation modelopenai.com
Summary of METR's predeployment evaluation of GPT-5.6 Solmetr.org
Codex just got better for developersyoutube.com
7M+ weekly Codex users. 150+ updates in two months. @romainhuet catches you up on what’s new in...x.com
[AINews] OpenAI launches GPT 5.6 Sol/Terra/Luna, Codex becomes ChatGPT superapplatent.space
GPT 5.6 Has 72 Possible Configurations. What's A Good Default?sebastianraschka.com
OpenAI GPT-5.6: AI Could Do Anything, Then It Met ARC-AGI-3thealgorithmicbridge.com
Quoting OpenAIsimonwillison.net
This was one of those impressive AI thresholds for me. I gave GPT-5.6 Sol in Codex control over my c...bsky.app