Fast-mode variant of [Opus 5](/anthropic/claude-opus-5) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 5. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode
Specifications
| Provider | Anthropic |
|---|---|
| Context window | 1,000,000 tokens (1M) |
| Input price | $10 / 1M tokens |
| Output price | $50 / 1M tokens |
| Input modalities | text, image, file |
| Output modalities | text |
| Model ID | anthropic/claude-opus-5-fast |
Pricing is per 1M tokens, indicative pricing via OpenRouter (updated 2026-08-22); a provider's own list price may differ.
Frequently asked questions
How much does Claude Opus 5 (Fast) cost?
Indicative pricing (via OpenRouter, updated 2026-08-22) is $10 per 1M input tokens and $50 per 1M output tokens. A provider's own list price may differ. On Vincony, Claude Opus 5 (Fast) is available on credit-based pricing alongside 800+ other models.
What is Claude Opus 5 (Fast)'s context window?
Claude Opus 5 (Fast) supports a context window of up to 1,000,000 tokens (1M), which is how much text it can consider at once.
Who makes Claude Opus 5 (Fast)?
Claude Opus 5 (Fast) is built by Anthropic. You can access it — and compare it against other providers' models — through Vincony's multi-model platform.
How do I use Claude Opus 5 (Fast)?
You can use Claude Opus 5 (Fast) directly through Anthropic, or via Vincony, which aggregates 800+ models (including Claude Opus 5 (Fast)) into one interface with side-by-side comparison and credit-based pricing.