Claude Opus 5.5 vs Claude Haiku 5.5
Compare Claude Opus 5.5 vs Claude Haiku 5.5 API pricing, token costs, context windows, and latency. See which model is cheaper and better for your stack.
Claude Opus 5.5 charges $4.00/1M input and $20.00/1M output tokens, compared to Claude Haiku 5.5 at $0.10/1M input and $0.50/1M output. Claude Haiku 5.5 is 40.0x cheaper on input tokens. In reasoning benchmarks, Claude Opus 5.5 holds the higher AA Intelligence Index rating (59/100). For latency-critical streaming, Claude Opus 5.5 delivers 112 t/s (351.0s TTFT) while Claude Haiku 5.5 provides 256 t/s (186.0s TTFT).
Full Metric & Specification Comparison
| Metric | Claude Opus 5.5 | Claude Haiku 5.5 | Advantage |
|---|---|---|---|
| Provider | Anthropic | Anthropic | - |
| Input Token Cost (1M) | $4.000 | $0.100 | Claude Haiku 5.5 |
| Output Token Cost (1M) | $20.000 | $0.500 | Claude Haiku 5.5 |
| Context Window | 1,000k tokens | 1,000k tokens | Tie |
| AA Intelligence Index | 59/100 | 36/100 | Claude Opus 5.5 |
| Streaming Latency | Fast | Ultra-Fast | - |
Key Architectural Takeaways
- Input Token Cost: Claude Opus 5.5 is $4.00/1M vs Claude Haiku 5.5 at $0.10/1M
- Output Token Cost: Claude Opus 5.5 is $20.00/1M vs Claude Haiku 5.5 at $0.50/1M
- Context Window: Claude Opus 5.5 supports 1,000k tokens vs Claude Haiku 5.5 with 1,000k tokens
- Benchmark Intelligence Rating: Claude Opus 5.5 scores 59/100 vs Claude Haiku 5.5 at 36/100 (AA Index v5)
- Inference Latency: Claude Opus 5.5 is rated Fast vs Claude Haiku 5.5 rated Ultra-Fast
Calculate Your Team's Exact Bill Difference
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Deploying Claude Haiku 5.5 over Claude Opus 5.5 saves $204.75/mo ($2457/yr) at this volume.
Frequently Asked Questions
Is Claude Opus 5.5 cheaper than Claude Haiku 5.5?
Claude Haiku 5.5 is significantly more economical, charging $0.10/1M input compared to $4.00/1M for Claude Opus 5.5.
Which model should I choose for production?
If your primary constraint is API cost and high query throughput, choose Claude Haiku 5.5. If you require peak reasoning accuracy and complex tool use, Claude Opus 5.5 is recommended.
How does context window compare between Claude Opus 5.5 and Claude Haiku 5.5?
Claude Opus 5.5 offers the larger context window (1,000k tokens), allowing you to pass significantly larger codebases or documents without chunking.
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