Claude Opus 5.5 vs DeepSeek-V4.1-Flash
DeepSeek-V4.1-Flash is about 15.2× cheaper than Claude Opus 5.5 on blended token cost ($0.525 vs $8 per 1M). Claude Opus 5.5 (Anthropic) is $8/1M blended, 1M context. DeepSeek-V4.1-Flash (DeepSeek) is $0.525/1M blended, 1M context.
Last verified: 15 Oct 2026 · prices from official provider documentation
◎ You're on the watch list. We'll ping you the moment a model launches, changes price, or gets deprecated.
✕ Couldn't subscribe right now — please try again in a moment.
Free forever · no spam · unsubscribe anytime.
| Spec | Claude Opus 5.5 | DeepSeek-V4.1-Flash |
|---|---|---|
| Provider | Anthropic | DeepSeek |
| Status | GA | GA |
| Input $/1M | $4 | $0.3 ◎ |
| Output $/1M | $20 | $1.20 ◎ |
| Blended $/1M | $8 | $0.525 ◎ |
| Context | 1M | 1M |
| Max output | 128K | 384K |
| Cutoff | 2026-06 | — |
Get told when either model changes price
New models, price cuts, and deprecations — a short email when something actually changes. No spam, unsubscribe anytime.
The last few changes we caught — this is what lands in your inbox:
◎ You're on the watch list. We'll ping you the moment a model launches, changes price, or gets deprecated.
✕ Couldn't subscribe right now — please try again in a moment.
Free forever · powered by the same data on this page.