Claude Opus 5 (Fast)
anthropic/claude-opus-5-fast
ReasoningToolsJSONVision
Intelligence
—
Design Elo
—
Speed
—
tokens/sec
Latency
—
first token
Input price
$10.00
295th cheapest
Context
1M
128K max out
How it compares
Cheaper than5%
of all ranked models
Overview
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
Providers & pricing (1)
| Provider | In $/M | Out $/M | Context | Uptime |
|---|---|---|---|---|
| Anthropic | $10.00 | $50.00 | 1M | 100% |
Specifications
Context window1M
Max output128K
Knowledge cutoff—
Input modalitiestext, image, file
Output modalitiestext
Prompt caching—
Cache read price$1.00/M
ModeratedYes
Claude Opus 5 (Fast) FAQ
How much does Claude Opus 5 (Fast) cost?
Claude Opus 5 (Fast) costs $10.00 per million input tokens and $50.00 per million output tokens via OpenRouter, making it 295th cheapest of 312 paid models.
What is Claude Opus 5 (Fast)'s context window?
Claude Opus 5 (Fast) supports a 1M-token context window and can output up to 128K tokens. It accepts text, image, file input.
More from anthropic
All Claude Opus 5 (Fast) alternatives →Compare head-to-head
Claude Opus 5 (Fast) vs Claude Opus 5Claude Opus 5 (Fast) vs Anthropic: Claude Sonnet 5Claude Opus 5 (Fast) vs Anthropic: Claude Fable 5Claude Opus 5 (Fast) vs Anthropic: Claude Opus 4.8 (Fast)Claude Opus 5 (Fast) vs Anthropic: Claude Opus 4.8Claude Opus 5 (Fast) vs Anthropic: Claude Opus 4.7 (Fast)