Claude Sonnet 4.5
- Context
- 200K
- 64K max output
- Input price
- $3.00
- per 1M tokens · Claude API
- Output price
- $15.00
- per 1M tokens
- Epoch Capabilities Index
- 146.8
- #51 of 71 listed
- LMArena Text
- 1,457
- #37 of 79 listed
Where to run it
9 offerings · prices as listed| Meter | Tier | Price |
|---|---|---|
| Input | Standard | $3.00 / 1M tokens |
| Batch | $1.50 / 1M tokens | |
| Output | Standard | $15.00 / 1M tokens |
| Batch | $7.50 / 1M tokens | |
| Cache read | Standard | $0.30 / 1M tokens |
| Cache write | 5-minute cache | $3.75 / 1M tokens |
| 1-hour cache | $6.00 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.00 / 1M tokens |
| Batch | $1.50 / 1M tokens | |
| Output | Standard | $15.00 / 1M tokens |
| Batch | $7.50 / 1M tokens | |
| Cache read | Standard | $0.30 / 1M tokens |
| Cache write | 5-minute cache | $3.75 / 1M tokens |
| 1-hour cache | $6.00 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) claude-sonnet-4-5 | ||
| Input | Standard | $3.00 / 1M tokens |
| Batch | $1.50 / 1M tokens | |
| Prompts over 200K tokens | $6.00 / 1M tokens | |
| Output | Standard | $15.00 / 1M tokens |
| Batch | $7.50 / 1M tokens | |
| Prompts over 200K tokens | $22.50 / 1M tokens | |
| Cache read | Standard | $0.30 / 1M tokens |
| Batch | $0.15 / 1M tokens | |
| Prompts over 200K tokens | $0.60 / 1M tokens | |
| Cache write | 5-minute cache | $3.75 / 1M tokens |
| 1-hour cache | $6.00 / 1M tokens | |
| 5-minute cache · Batch | $1.88 / 1M tokens | |
| 1-hour cache · Batch | $3.00 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache | $7.50 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache | $12.00 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Prompts over 200K tokens | $6.60 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Prompts over 200K tokens | $24.75 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Prompts over 200K tokens | $0.66 / 1M tokens | |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
| 5-minute cache · Batch | $2.06 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache | $8.25 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache | $13.20 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Prompts over 200K tokens | $6.60 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Prompts over 200K tokens | $24.75 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Batch | $0.17 / 1M tokens | |
| Prompts over 200K tokens | $0.66 / 1M tokens | |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
| 5-minute cache · Batch | $2.06 / 1M tokens | |
| 1-hour cache · Batch | $3.30 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache | $8.25 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache | $13.20 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) Claude Sonnet 4.5 | ||
| Input | Standard | $3.30 / 1M tokens |
| Batch | $1.65 / 1M tokens | |
| Prompts over 200K tokens | $6.60 / 1M tokens | |
| Output | Standard | $16.50 / 1M tokens |
| Batch | $8.25 / 1M tokens | |
| Prompts over 200K tokens | $24.75 / 1M tokens | |
| Cache read | Standard | $0.33 / 1M tokens |
| Batch | $0.17 / 1M tokens | |
| Prompts over 200K tokens | $0.66 / 1M tokens | |
| Cache write | 5-minute cache | $4.13 / 1M tokens |
| 1-hour cache | $6.60 / 1M tokens | |
| 5-minute cache · Batch | $2.06 / 1M tokens | |
| 1-hour cache · Batch | $3.30 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache | $8.25 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache | $13.20 / 1M tokens | |
Changes
All changes →- 3 new prices on Claude API Cache write (1-hour cache) $6.00 · Input (Batch) $1.50 · Output (Batch) $7.50
Cited scores
From third-party leaderboards, not measured by us- Epoch Capabilities Index 146.8
#51 of 71 listed models · CI 144.9–148.3
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text 1,457
#37 of 79 listed models · high effort, 32k thinking · CI 1,454–1,459 · 83,689 votes
Also listed: claude-sonnet-4-5-20250929 1,455
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- Epoch AI · FrontierMath Tiers 1–3 23.9%
#52 of 56 listed models · 32K thinking budget · ±2.53
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- Epoch AI · GPQA Diamond 82.3%
#54 of 64 listed models · 59K thinking budget · ±2.72
Also listed: 32K thinking budget 81.7% · 16K thinking budget 78.8% · claude-sonnet-4-5-20250929 73.7%
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- Epoch AI · SWE-bench Verified 71.3%
#19 of 23 listed models · ±2.06
Epoch AI, 'Capabilities & benchmarking'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks'. Licensed CC BY 4.0. · License · as of Sep 26, 2026 · changes we made
- LMArena Text · Chinese 1,481
#48 of 79 listed models · high effort, 32k thinking · CI 1,473–1,489 · 5,877 votes
Also listed: claude-sonnet-4-5-20250929 1,477
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Coding 1,519
#25 of 79 listed models · high effort, 32k thinking · CI 1,514–1,524 · 19,910 votes
Also listed: claude-sonnet-4-5-20250929 1,512
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made