Releases from frontier labs, major companies and research institutes — grouped by model, deduplicated across HuggingFace, OpenRouter and official blogs.
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OpenAI🇺🇸Frontier
GPT-6 Luna Pro is the same underlying model as GPT-6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoningreasoning-mode
OpenAI🇺🇸Frontier
ChatGPT Images 2.5 helps turn your ideas, sketches, and reference photos into more personalized, polished images that better reflect your ideas.
OpenAI🇺🇸Frontier
GPT-6 Astra is OpenAI's flagship model for demanding end-to-end work. It is suited for advanced analysis, software engineering, deep research, scientific work, and document creation, with particular strengths in long-horizon...
OpenAI🇺🇸Frontier
GPT-5.6 Luna Pro is the same underlying model as GPT-5.6 Luna, served with reasoning.mode set to pro for higher-quality responses on complex tasks. Learn more in OpenAI's docs: https://developers.openai.com/api/docs/guides/reasoningreasoning-mode
OpenAI🇺🇸Frontier
OpenAI's current frontier model: 'A new class of intelligence for coding and professional work.' 1M context, knowledge cutoff Dec 2025, $5/$30 per MTok. GPT-5.5 Pro as the stronger variant ($30/$180 per MTok).
OpenAI🇺🇸Frontier
OpenAI's second image-generation iteration on the GPT-5.4 base: $8/$15 per MTok (input/output). The current standard route for professional AI image generation via OpenRouter API.
OpenAI🇺🇸Frontier
Predecessor of GPT-5.5, but still very widely used ($2.50/$15 per MTok vs. $5/$30 for 5.5). Mini variant (400K context, $0.75/$4.50) for coding agents and subagents. IMOAnswerBench 91.4%.