All models
Anthropic
Claude Opus 5.5 frontier
anthropic/claude-opus-5-5
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
Input / 1M
$4.00
USD per million tokens
Output / 1M
$20.00
USD per million tokens
Est. cost / token
$0.000008
$8.00 per 1M, 3:1 mix
Context window
1M
max output 128K
Major features
VisionBatchComputer usePDFCachingReasoningJSON schemaToolsWeb search
Task suitability (heuristic 1–5, not a benchmark)
- coding5
- reasoning5
- math5
- summarization5
- extraction5
- classification5
- chat5
- creative5
- translation5
- vision5
- long context5
- agentic5
Price history
| Recorded | Input | Output | Cached | Source |
|---|---|---|---|---|
| 2026-11-05 03:20 | $4.00 | $20.00 | $0.20 | litellm+openrouter |
A row is added whenever a sync detects a price change. Vendor pricing source
Pricing (USD per 1M tokens)
- Input
- $4.00
- Output
- $20.00
- Cached input
- $0.20
- Batch input
- $2.00
- Batch output
- $10.00
- Blended (3:1)
- $8.00
Details
- Company
- Anthropic
- Version
- 5.5
- Family
- Claude
- Released
- 2026-09-22
- Parameters
- Undisclosed
- Max output
- 128K
- Open weights
- No
- Inputs
- file, image, text
- Last synced
- 25 min ago