Anthropic
Anthropic: Claude Opus 4.8 (Fast)
Anthropic
Input / M
Routed
Output / M
Context
Max Output
128K
Usage
Unranked
Quality
Unscored
Providers
1
Best Uptime 30m
100.00%
Latency (p50)
960 ms
Throughput
114.5 tok/s
Released
May 27, 2026
Modalities
text, image, file
About
Fast-mode variant of [Opus 4.8](/anthropic/claude-opus-4.8) - identical capabilities with higher output speed at 2x pricing relative to regular Opus 4.8. Learn more in Anthropic's docs: https://platform.claude.com/docs/en/build-with-claude/fast-mode.
Capabilities
Vision
Tools
Reasoning
Streaming
JSON Mode
Host offerings · 1
Per-host pricing, uptime, latency, throughput
| Host | Input/M | Output/M | Context | Uptime |
|---|---|---|---|---|
| AnthropicBest Anthropic | anthropic/claude-4.8-opus-fast-20260528 | $10.00 | $50.00 | 1.0M | 100.0% |
Performance History
200 snapshots
Price History
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Versus
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Markdown
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<a href="https://whatmodel.app/models/03c9e434-271f-41e8-9c30-9b38df16e298"><img src="https://whatmodel.app/api/public/embed/score/03c9e434-271f-41e8-9c30-9b38df16e298" alt="Anthropic: Claude Opus 4.8 (Fast) WM Score" height="26" /></a>Image URL
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