Claude Opus 5 vs GPT-5.6 Sol
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Claude Opus 5 vs GPT-5.6 Sol in real side-by-side tests: 3 posts from X where both got the same prompt; 2 posts report cost or time. Judge coding ability from the actual outputs.
Posts
3
Summary
Claude Opus 5 and GPT-5.6 Sol appear together in 3 posts on X: Flappy Bird, 3 models with costs (@noclipepe), No Man's Sky from scratch, 4 models (@remakebench) and checkout-outage incident room (@thevibefounder). 2 of them are part of larger lineups with other models. In @noclipepe's Flappy Bird, 3 models with costs, GPT-5.6 Sol was cheaper ($0.15 vs $0.253), as reported in the post. In @remakebench's No Man's Sky from scratch, 4 models, GPT-5.6 Sol was cheaper ($20.84 vs $133.83) and faster (1 h 30 min vs 2 h 32 min), as reported in the post.
What each post reports
| Post | Model | Time | Cost | Tokens | Original |
|---|---|---|---|---|---|
| Flappy Bird, 3 models with costs@noclipepe | GPT-5.6 Sol | — | $0.15 | — | X post |
| Flappy Bird, 3 models with costs@noclipepe | Claude Opus 5 | — | $0.253 | — | X post |
| No Man's Sky from scratch, 4 models@remakebench | Claude Opus 5 | 2 h 32 min | $133.83 | — | X post |
| No Man's Sky from scratch, 4 models@remakebench | GPT-5.6 Sol | 1 h 30 min | $20.84 | — | X post |
| Checkout-outage incident room@thevibefounder | Claude Opus 5 | — | — | — | X post |
| Checkout-outage incident room@thevibefounder | GPT-5.6 Sol | — | — | — | X post |
Only numbers stated in each post. “—” means the post doesn’t say.