Claude Opus 5 (Fast)
Claude Opus 5 is the latest model in Anthropic's Opus family and a step-change improvement over Opus 4.8. It delivers major gains over Opus 4.8 in agentic coding, professional knowledge work, and long-horizon reasoning, and it is stronger per token across effort levels. Your use subject to Anthropic's Terms & Privacy Policies.
import { streamText } from 'ai'
const result = streamText({ model: 'anthropic/claude-opus-5-fast', prompt: 'Why is the sky blue?'})Playground
Try out Claude Opus 5 (Fast) by Anthropic. Usage is billed to your team at API rates. Free users (those who haven't made a payment) get $5 of credits every 30 days.
Claude Opus 5 (Fast)
Claude Opus 5 (Fast)
Providers
Route requests across multiple providers. Copy a provider slug to set your preference. Visit the docs for more info. Using a provider means you agree to their terms, listed under Legal.
P50 throughput on live AI Gateway traffic, in tokens per second (TPS). Visit the docs for more info.
P50 time to first token (TTFT) on live AI Gateway traffic, in milliseconds. View the docs for more info.
Direct request success rate on AI Gateway and per-provider. Visit the docs for more info.
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| Model |
|---|
| 1M | 2.2s | 113tps | $5/MFast $10/M | $25/MFast $50/M | Read:$0.5/M Write: $6.25/M | $10/K + input costs | +3 |   | 07/24/2026 | |||
| 1M | 2.6s | 99tps | $10/M | $50/M | Read:$1/M Write: $12.5/M | $10/K + input costs | +2 | | 07/01/2026 | |||
| 1M | 1.3s | 109tps | $3/M$2/M | $15/M$10/M | Read:$0.3/M$0.2/M Write: $3.75/M$2.5/M | $10/K + input costs | +3 | | 06/29/2026 | |||
| 1M | 2.5s | 106tps | $5/MFast $10/M | $25/MFast $50/M | Read:$0.5/M Write: $6.25/M | $10/K + input costs | +3 | | 05/28/2026 | |||
| 1M | 1.0s | 74tps | $3/M | $15/M | Read:$0.3/M Write: $3.75/M | $10/K + input costs | +3 | | 02/17/2026 | |||
| 200K | 0.6s | 133tps | $1/M | $5/M | Read:$0.1/M Write: $1.25/M | $10/K + input costs | +3 | | 10/15/2025 |