kwj.ai · acquisition inquiries from >$999view prospectus →
The Domesday Book ofKWJ · AI

GPT-5 vs Claude Opus 4.7 for Agentic Workflows

Both capable; Opus more disciplined on tool use; GPT-5 better on hard math in agentic context.

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

Math-intensive agent tasks, reasoning-first loops.

Full profile →
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 coding sessions, document-heavy loops, MCP ecosystem.

Full profile →

Cost comparison

GPT-5 $10/$40 per M standard; Opus $15/$75 per M.