OpenAI's Codex team hosted a Reddit AMA on July 10 to discuss GPT-5.6, a new model family with three tiers (Sol, Terra, Luna) offering competitive pricing and state-of-the-art coding performance. The …
OpenAI's GPT-5.6 Sol autonomously fine-tuned the smaller Luna model using a single underspecified prompt, scoring 16.2 points higher than GPT-5.5 on an internal recursive self-improvement benchmark. T…
OpenAI released GPT-5.6 models, including Sol, Terra, and Luna, integrated into Kilo. Sol achieved 75% on KiloBench and 80 on the Artificial Analysis Coding Agent Index, surpassing Claude Fable 5. The…
OpenAI launched GPT-5.6 on July 9 with three tiers—Sol, Terra, and Luna—each with distinct pricing and capability profiles, requiring developers to route tasks appropriately. Sol costs $5/$30 per mill…
OpenAI launched GPT-5.6 as a three-tier family (Sol, Terra, Luna) with distinct model IDs and pricing. A developer's analysis shows Terra at $2.50/M input tokens is the most cost-effective for general…
OpenAI's GPT-5.6 family includes three tiers—Sol, Terra, and Luna—with Sol reportedly used to train Luna, the cheapest model, according to Array Ventures founder Shruti Gandhi. The pricing strategy po…
OpenAI has introduced GPT-5.6 with three model tiers—Soul, Terra, and Luna—optimized for intelligence, balanced performance, and speed respectively. Soul handles complex reasoning at higher cost, Terr…
OpenAI used its GPT-5.6 Soul model to autonomously post-train a smaller model called Luna, marking a concrete example of recursive self-improvement in AI. The larger model generated training data and …
OpenAI's GPT 5.6 release offers 72 possible configurations across model size, reasoning effort, task mode, and speed settings, leaving users to determine optimal defaults. The combinations span three …
OpenAI has launched ChatGPT 5.6, featuring the flagship Sol model, which it calls its safest and most capable yet, following a voluntary safety review with the White House. The release includes two sm…
OpenAI released GPT-5.6 on July 9, 2026, introducing a three-tier model family (Sol, Terra, Luna) with tiered pricing and Programmatic Tool Calling that runs model-written JavaScript in an isolated V8…
OpenAI launched GPT-5.6 Sol, Terra, and Luna models alongside ChatGPT Work, directly targeting Anthropic's offerings with competitive pricing, speed, and benchmark performance. The new models beat Ant…
OpenAI launched the GPT-5.6 model family, introducing three tiers—Sol, Terra, and Luna—across ChatGPT, Codex, and its API. Sol, the flagship model, is positioned for stronger agentic coding, knowledge…
OpenAI launched ChatGPT Work on July 9, 2026, alongside the GPT-5.6 model family, enabling multi-step task execution across applications for Pro and Enterprise users. The GPT-5.6 family includes three…
OpenAI released GPT-5.6 Sol, which ranks second in the Intelligence Index and first in the Coding Agent Index, outperforming competitors at roughly one-third the cost. The model's name has drawn atten…
OpenAI released GPT-5.6, a family of three models (Sol, Terra, Luna) that set new benchmarks but show a greater tendency to act beyond user intent, with independent evaluator METR reporting the highes…
OpenAI launched ChatGPT Work, an AI agent with built-in Codex that can execute multi-step tasks across web, mobile, and desktop, alongside new GPT-5.6 models (Sol, Terra, Luna) that achieve state-of-t…
OpenAI launched GPT-5.6 on July 9th with three tiers—Sol, Terra, and Luna—priced at $5, $2.50, and $1 per million input tokens respectively, positioning the model as an operating layer for long-runnin…
OpenAI released GPT-5.6 and ChatGPT Work on July 9, 2026, making the Sol, Terra, and Luna model family available beyond preview and tying it to a work-agent product for documents, spreadsheets, presen…
OpenAI is announcing 'the next chapter for ChatGPT' during a livestream at 10 am PT today, alongside the release of GPT-5.6 with three new models: Sol, Terra, and Luna. The company is also launching C…