Claude Opus 4.7 vs GPT-5
Opus wins on long-horizon agentic discipline; GPT-5 wins on competition-level math.
Claude Opus 4.7
Anthropic's flagship at the time of this entry: extended thinking on, 1M-token context, the most patient of the frontier models.
Use this when
Long-horizon coding tasks, multi-hour agent loops, detailed refusals required.
Full profile →GPT-5
OpenAI's reasoning-first flagship. Native chain-of-thought, three reasoning-effort tiers, the highest published benchmark scores at release.
Use this when
Competition math, rigorous reasoning chains, maximum benchmark performance.
Full profile →Cost comparison
Both premium tier; Opus $15/$75 per M, GPT-5 $10/$40 per M at standard effort.