openai-gpt6-astra

OpenAI's flagship model GPT-6 Astra was released 4 Sep 2026, per OpenRouter's model page: priced at USD 10 input / USD 50 output per 1M tokens with a 1M-token context window, positioned for long-horizon agentic tasks involving computer and browser use. In an early vendor evaluation, CodeRabbit reported Astra caught approximately 4 percent more labeled bugs through actionable findings than GPT-5.6 Sol and 22 percent more than Anthropic's Opus 5, with the advantage concentrated in harder cross-file reviews (20 percent over Sol, 33 percent over Opus 5); the vendor calls the result early and directional, not an overall ranking of review quality.

Sources: OpenRouter model page, CodeRabbit engineering blog (4-5 Sep 2026). Both are vendor/marketplace sources; treat figures as self-reported.

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