anthropic
Anthropic: Claude Opus 5.5
Quality Score
98/100
price + capability + benchmarks
Input Price
$4.00
per 1M tokens · checked 2026-11-07
Output Price
$20.00
per 1M tokens · checked 2026-11-07
Context Window
1,000,000
tokens
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...
- Model ID
- anthropic/claude-opus-5.5
- Vendor
- anthropic
- Released
- September 2026
- Tokenizer
- Claude
- Input Modalities
- text, image, file
- Output Modalities
- text
- Max Output
- 128,000 tokens
- Tool Calling
- ✓ supported
- Structured Output
- ✓ supported
- Reasoning Mode
- ✓ supported
- Vision
- ✓ accepts images
- Audio
- no
- Moderated
- yes
What it costs in practice
Computed from the current $4.00/M input and $20.00/M output rates. Run your own numbers →
| Job | Tokens | Cost |
|---|---|---|
| Summarize a 50-page report | 30k in / 1.5k out | $0.15 |
| Classify 1,000 customer emails | 500k in / 50k out | $3.00 |
| A month of a busy support chatbot | 5M in / 2M out | $60.00 |
Similar models
anthropic
Anthropic: Claude Haiku 5.5
$0.10 in / $0.50 out
1,000,000 ctx
100
anthropic
Anthropic: Claude Haiku 5.5 (batch)
$0.05 in / $0.25 out
1,000,000 ctx
100
anthropic
Anthropic: Claude Sonnet 5.5
$2.00 in / $10.00 out
1,000,000 ctx
100
anthropic
Anthropic: Claude Sonnet 5.5 (batch)
$1.00 in / $5.00 out
1,000,000 ctx
100
anthropic
Anthropic: Claude Opus 5.5 (batch)
$2.00 in / $10.00 out
1,000,000 ctx
100
anthropic
Anthropic: Claude Opus 5 (batch)
$2.50 in / $12.50 out
1,000,000 ctx
100
Quick answers
- How much does Anthropic: Claude Opus 5.5 cost?
- $4.00 per million input tokens and $20.00 per million output tokens.
- What is Anthropic: Claude Opus 5.5's context window?
- 1,000,000 tokens, roughly 1,500 pages of text in a single request.
- Does Anthropic: Claude Opus 5.5 support tool calling?
- It supports tool calling, structured output, a reasoning mode.
- Can Anthropic: Claude Opus 5.5 process images?
- Yes, it accepts image input.