Claude Opus 5.5
Model ID
- Context
- 1M
- 128K max output
- Input price
- $4.00
- per 1M tokens · Claude API
- Output price
- $20.00
- per 1M tokens
- Epoch Capabilities Index
- —
- Not listed
- LMArena Text
- 1,509
- #1 of 79 listed
Where to run it
8 offerings · prices as listed| Meter | Tier | Price |
|---|---|---|
| Input | Standard | $4.00 / 1M tokens |
| Batch | $2.00 / 1M tokens | |
| Output | Standard | $20.00 / 1M tokens |
| Batch | $10.00 / 1M tokens | |
| Cache read | Standard | $0.20 / 1M tokens |
| Cache write | 5-minute cache | $5.00 / 1M tokens |
| 1-hour cache | $8.00 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.00 / 1M tokens |
| Output | Standard | $20.00 / 1M tokens |
| Cache read | Standard | $0.20 / 1M tokens |
| Cache write | 5-minute cache | $5.00 / 1M tokens |
| 1-hour cache | $8.00 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.40 / 1M tokens |
| Output | Standard | $22.00 / 1M tokens |
| Cache read | Standard | $0.22 / 1M tokens |
| Cache write | 5-minute cache | $5.50 / 1M tokens |
| 1-hour cache | $8.80 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.40 / 1M tokens |
| Output | Standard | $22.00 / 1M tokens |
| Cache read | Standard | $0.22 / 1M tokens |
| Cache write | 5-minute cache | $5.50 / 1M tokens |
| 1-hour cache | $8.80 / 1M tokens | |
Amazon Bedrock (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.40 / 1M tokens |
| Output | Standard | $22.00 / 1M tokens |
| Cache read | Standard | $0.22 / 1M tokens |
| Cache write | 5-minute cache | $5.50 / 1M tokens |
| 1-hour cache | $8.80 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) claude-opus-5-5 | ||
| Input | Standard | $4.00 / 1M tokens |
| Batch | $2.50 / 1M tokens | |
| Prompts over 200K tokens | $4.00 / 1M tokens | |
| Output | Standard | $20.00 / 1M tokens |
| Batch | $12.50 / 1M tokens | |
| Prompts over 200K tokens | $20.00 / 1M tokens | |
| Cache read | Standard | $0.20 / 1M tokens |
| Batch | $0.10 / 1M tokens | |
| Prompts over 200K tokens | $0.20 / 1M tokens | |
| Cache write | 5-minute cache | $5.00 / 1M tokens |
| 1-hour cache | $8.00 / 1M tokens | |
| 5-minute cache · Batch | $2.50 / 1M tokens | |
| 1-hour cache · Batch | $4.00 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache | $5.00 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache | $8.00 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.40 / 1M tokens |
| Batch | $2.20 / 1M tokens | |
| Prompts over 200K tokens | $4.40 / 1M tokens | |
| Output | Standard | $22.00 / 1M tokens |
| Batch | $11.00 / 1M tokens | |
| Prompts over 200K tokens | $22.00 / 1M tokens | |
| Cache read | Standard | $0.22 / 1M tokens |
| Batch | $0.11 / 1M tokens | |
| Prompts over 200K tokens · Batch | $0.11 / 1M tokens | |
| Cache write | 5-minute cache | $5.50 / 1M tokens |
| 1-hour cache | $8.80 / 1M tokens | |
| 5-minute cache · Batch | $2.75 / 1M tokens | |
| 1-hour cache · Batch | $4.40 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache · Batch | $2.75 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache · Batch | $4.40 / 1M tokens | |
Google Cloud Vertex AI (opens in a new tab) Claude Opus 5.5 | ||
| Input | Standard | $4.40 / 1M tokens |
| Batch | $2.20 / 1M tokens | |
| Prompts over 200K tokens | $4.40 / 1M tokens | |
| Output | Standard | $22.00 / 1M tokens |
| Batch | $11.00 / 1M tokens | |
| Prompts over 200K tokens | $22.00 / 1M tokens | |
| Cache read | Standard | $0.22 / 1M tokens |
| Batch | $0.11 / 1M tokens | |
| Prompts over 200K tokens · Batch | $0.11 / 1M tokens | |
| Cache write | 5-minute cache | $5.50 / 1M tokens |
| 1-hour cache | $8.80 / 1M tokens | |
| 5-minute cache · Batch | $2.75 / 1M tokens | |
| 1-hour cache · Batch | $4.40 / 1M tokens | |
| Prompts over 200K tokens · 5-minute cache · Batch | $2.75 / 1M tokens | |
| Prompts over 200K tokens · 1-hour cache · Batch | $4.40 / 1M tokens | |
Changes
All changes →- 3 new prices on Claude API Cache write (1-hour cache) $8.00 · Input (Batch) $2.00 · Output (Batch) $10.00
Vendor-reported scores
Published by Anthropic, under the conditions it states| Benchmark | Setting | Score |
|---|---|---|
| SWE-bench Pro | adaptive thinking, max effort, average of 5 trials | 89.9% |
| SWE-bench Multilingual | adaptive thinking, max effort, average of 5 trials | 93.9% |
| SWE-bench Multimodal | adaptive thinking, max effort, average of 5 trials | 61.4% |
| Terminal-Bench 4.0 | adaptive thinking, xhigh effort | 66.4% |
| Humanity's Last Exam | no tools, adaptive thinking, max effort | 64.4% |
| with tools, adaptive thinking, max effort | 67.7% | |
| OSWorld 2.0 | partial score, adaptive thinking, max effort | 81.8% |
| strict score, adaptive thinking, max effort | 48.7% |
Cited scores
From third-party leaderboards, not measured by us- LMArena Text 1,509
#1 of 79 listed models · high effort · CI 1,496–1,521 · 2,307 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Chinese 1,559
#2 of 79 listed models · high effort · CI 1,518–1,600 · 196 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made
- LMArena Text · Coding 1,547
#4 of 79 listed models · high effort · CI 1,523–1,571 · 573 votes
LMArena (Arena), leaderboard-dataset on Hugging Face, licensed CC BY 4.0 · License · as of Sep 25, 2026 · changes we made