Anthropic: Claude Sonnet 4.5
🇺🇸 Anthropic · Claude Sonnet
Input Price $3.00 per million tokens NT$96.0
Output Price $15.00 per million tokens NT$480
Context Window 1M tokens Output limit: 64K
OpenRouter Route Price Please verify with official pricing pages
| Dimension | Unit | Price (USD) |
|---|---|---|
| Input | per 1M tokens | $3.00 |
| Output | per 1M tokens | $15.00 |
| Cached Input | per 1M tokens | $0.300 |
| Cache Write | per 1M tokens | $3.75 |
| Web Search | per search | $0.010 |
- Provider
- Anthropic (Anthropic)
- Model Family
- Claude Sonnet
- Version String
- anthropic/claude-sonnet-4.5
- Status
- active
- Modality
- text, image, file
- Context Window
- 1,000,000 tokens
- Output Limit
- 64,000 tokens
Index Metrics
Cross-domain capability indexes evaluated by Artificial Analysis — Artificial Analysis
Agentic Index 52 A Measured: 2026-05-27
Coding Index 39 B Measured: 2026-05-27
Intelligence Index 43 B Measured: 2026-05-27
Benchmark Scores
Data source: Artificial Analysis
AA-LCR 65.7% B Measured: 2026-05-27
GPQA Diamond 83.4% A Measured: 2026-05-27
HLE 17.3% B Measured: 2026-05-27
IFBench 57.3% C Measured: 2026-05-27
MMMU Pro 68.7% B Measured: 2026-05-27
Non-Hallucination 52.6% Measured: 2026-05-27
Omniscience Accuracy 32.4% Measured: 2026-05-27
SciCode 44.7% B Measured: 2026-05-27
Tau2 78.1% Measured: 2026-05-27
TerminalBench 35.6% Measured: 2026-05-27
Performance Metrics
Real-world benchmarks, updated every 72 hours by Artificial Analysis — Artificial Analysis
First Token Latency 13.8s Measured: 2026-05-27
Output Speed 51 t/s Measured: 2026-05-27
Response Time 23.6s Measured: 2026-05-27
90-Day Price Trend
Input / Output price (USD per 1M tokens)
Past 90 days of records; every price change is shown here
| Date | Dimension | Price (USD) | Source |
|---|---|---|---|
| 2026-05-27 | Web Search | $0.010 | openrouter |
| 2026-05-27 | Cache Write | $3.75 | openrouter |
| 2026-05-27 | Cached Input | $0.300 | openrouter |
| 2026-05-27 | Output | $15.00 | openrouter |
| 2026-05-27 | Input | $3.00 | openrouter |
| 2026-05-26 | Web Search | $0.010 | openrouter |
| 2026-05-26 | Cache Write | $3.75 | openrouter |
| 2026-05-26 | Cached Input | $0.300 | openrouter |
| 2026-05-26 | Output | $15.00 | openrouter |
| 2026-05-26 | Input | $3.00 | openrouter |
| 2026-05-25 | Web Search | $0.010 | openrouter |
| 2026-05-25 | Cache Write | $3.75 | openrouter |
| 2026-05-25 | Cached Input | $0.300 | openrouter |
| 2026-05-25 | Output | $15.00 | openrouter |
| 2026-05-25 | Input | $3.00 | openrouter |
| 2026-05-24 | Web Search | $0.010 | openrouter |
| 2026-05-24 | Cache Write | $3.75 | openrouter |
| 2026-05-24 | Cached Input | $0.300 | openrouter |
| 2026-05-24 | Output | $15.00 | openrouter |
| 2026-05-24 | Input | $3.00 | openrouter |
| 2026-05-23 | Web Search | $0.010 | openrouter |
| 2026-05-23 | Cache Write | $3.75 | openrouter |
| 2026-05-23 | Cached Input | $0.300 | openrouter |
| 2026-05-23 | Output | $15.00 | openrouter |
| 2026-05-23 | Input | $3.00 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cache Write | $3.75 | openrouter |
| 2026-05-22 | Cached Input | $0.300 | openrouter |
| 2026-05-22 | Output | $15.00 | openrouter |
| 2026-05-22 | Input | $3.00 | openrouter |
| 2026-05-22 | Web Search | $0.010 | openrouter |
| 2026-05-22 | Cache Write | $3.75 | openrouter |
| 2026-05-22 | Cached Input | $0.300 | openrouter |
| 2026-05-22 | Output | $15.00 | openrouter |
| 2026-05-22 | Input | $3.00 | openrouter |
| 2026-05-21 | Web Search | $0.010 | openrouter |
| 2026-05-21 | Cache Write | $3.75 | openrouter |
| 2026-05-21 | Cached Input | $0.300 | openrouter |
| 2026-05-21 | Output | $15.00 | openrouter |
| 2026-05-21 | Input | $3.00 | openrouter |
| 2026-05-20 | Web Search | $0.010 | openrouter |
| 2026-05-20 | Cache Write | $3.75 | openrouter |
| 2026-05-20 | Cached Input | $0.300 | openrouter |
| 2026-05-20 | Output | $15.00 | openrouter |
| 2026-05-20 | Input | $3.00 | openrouter |
| 2026-05-19 | Web Search | $0.010 | openrouter |
| 2026-05-19 | Cache Write | $3.75 | openrouter |
| 2026-05-19 | Cached Input | $0.300 | openrouter |
| 2026-05-19 | Output | $15.00 | openrouter |
| 2026-05-19 | Input | $3.00 | openrouter |
Description
Claude Sonnet 4.5 is Anthropic’s most advanced Sonnet model to date, optimized for real-world agents and coding workflows. It delivers state-of-the-art performance on coding benchmarks such as SWE-bench Verified, with...
Key Insights
Key data points from this page for quick reference and citation.
- Anthropic: Claude Sonnet 4.5 Input price: $3/M tokens
- Anthropic: Claude Sonnet 4.5 Output price: $15/M tokens
- Context window: 1,000,000 tokens
- Provider: Anthropic
- Model family: Claude Sonnet
- Modalities: text, image, file
- Data source: OpenRouter, updated daily