Fast Claude model for responsive assistance, classification, and lightweight agents
Specification
anthropic listing
Context
200K
Max output
4K
Released
2024-03-07
Knowledge cutoff
2024-03
Retires
2026-04-20
Open weights
no
Input
text, image
Output
text
Price
US dollars per million tokens · anthropic list price
Input
$0.25
Output
$1.25
Cache read
$0.03
Cache write
$0.30
Batch and priority prices
US dollars per million tokens · per listing
| Price | Listing | $/M |
|---|---|---|
| Cache write, 1 hour | anthropic | $0.50 |
Quality
3 benchmarks · 1 source
Composite
11th
percentile of 334 scored models
Rank
297 / 334
±0.06 sd
Evidence
3 × 1
one source, or fewer than 3 benchmarks
Effort range
—
one configuration only
reasoning13th1/4 bench
math9th2/7 bench
Every score
one row per source and configuration — nothing averaged away
| Benchmark | Score | Configuration | Source | Run |
|---|---|---|---|---|
| GPQA diamond | 36.3 ±2.4 | default | Epoch AI | 2025-01-27 |
| MATH level 5 | 14.9 ±0.7 | default | Epoch AI | 2025-01-27 |
| OTIS Mock AIME 2024-2025 | 1.8 ±0.8 | default | Epoch AI | 2025-02-25 |
The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.
Available from 11 hosts
| Host | In $/M | Out $/M | Cache rd | Cache wr | Context | Output | Retires |
|---|---|---|---|---|---|---|---|
| anthropicvendor | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | 2026-04-20 |
| bedrock | $0.25 $0.30 | $1.25 $1.50 | $0.025 $0.03 | $0.3125 $0.375 | 200K | 4K | 2026-09-10 |
| bedrock · apac | $0.25 | $1.25 | $0.025 | $0.3125 | 200K | 4K | 2026-09-10 |
| bedrock · eu | $0.25 | $1.25 | $0.025 | $0.3125 | 200K | 4K | 2026-09-10 |
| bedrock · us | $0.25 | $1.25 | $0.025 | $0.3125 | 200K | 4K | 2026-09-10 |
| helicone | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | — |
| kilo | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | — |
| openrouter | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | — |
| vercel | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | — |
| vercel_ai_gateway · vercel-ai-gateway | $0.25 | $1.25 | $0.03 | $0.30 | 200K | 4K | — |
| vertex_ai-anthropic_models | $0.25 | $1.25 | — | — | 200K | 4K | — |
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