Claude Opus 5.5 (Fast)
As of Oct 4, 2026, the cheapest Claude Opus 5.5 (Fast) API price is $8 per 1M input tokens (Vercel AI Gateway) and $40 per 1M output tokens (Vercel AI Gateway). Claude Opus 5.5 (Fast) is offered by 2 providers in the claude-opus family, reasoning enabled.
API pricing by provider
Metered per-token prices. Cheapest input and output are highlighted; † marks a context-tier surcharge. How prices are ranked.
| Vercel AI Gateway | Cheapest$8 | Cheapest$40 | $0.4 | $10 | 1.0M |
| Venice AI | $9.6 | $48 | $0.48 | $12 | 1.0M |
Claude Opus 5.5 (Fast) pricing FAQ
What is the cheapest Claude Opus 5.5 (Fast) API?
As of Oct 4, 2026, Vercel AI Gateway has the lowest Claude Opus 5.5 (Fast) output price at $40 per 1M tokens, and Vercel AI Gateway has the lowest input price at $8 per 1M tokens. Prices are metered per-token rates in USD; free tiers and subscription plans are excluded.
How many providers offer Claude Opus 5.5 (Fast)?
2 providers list Claude Opus 5.5 (Fast) on Sovyron; 2 of them sell it at a metered per-token price.
Is Claude Opus 5.5 (Fast) free?
No provider in the Sovyron catalog lists a free tier for Claude Opus 5.5 (Fast).
What is the context window of Claude Opus 5.5 (Fast)?
Claude Opus 5.5 (Fast) supports a 1.0M-token context window and up to 128k output tokens.
Token cost calculator
What a month costs at one provider's published rates. Enter the tokens you expect to send and receive; cached tokens use the cached-input price where the provider lists one, and count as ordinary input where it does not.
Estimated
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