Claude Opus 5 vs Fugu Ultra v1.1
Specs, per-token pricing, and live benchmark scores — refreshed daily from our benchmark database.
Specs & pricing
| Claude Opus 5 | Fugu Ultra v1.1 | |
|---|---|---|
| Company | Anthropic | Sakana Ai |
| Released | Jul 2026 | Jul 2026 |
| Context window | 1.0M | — |
| Input /1M tokens | $5 | $5 |
| Output /1M tokens | $25 | $30 |
| Open weights | No | No |
Benchmarks
No published benchmark scores yet for either model — scores appear here automatically once measured.
Scores come from published leaderboards and official model cards (sources listed on the benchmarks page) and refresh daily. Pricing via vendor pages and OpenRouter.