GPT-6 Astra Comparisons
Current comparison pages, with every competitor version named explicitly and source-checked.
Current model
GPT-5.6 Sol
Same OpenAI ecosystem, lower token price, useful for deciding whether Astra capability justifies the premium.
Compare with Astra →Current modelClaude Opus 5
Premium coding and knowledge-work comparison using current vendor positioning and published pricing.
Compare with Astra →Current modelGemini 3.8 Flash
Current Google Flash model with 1M context and much lower introductory per-token pricing.
Compare with Astra →Versioning rule
Comparison pages name a specific competing model rather than saying only “Claude” or “Gemini.” When a vendor replaces a model, we update the title, facts and sources together and log the change.