Anthropic: Claude Haiku 5.5 (batch) vs Anthropic: Claude Opus 5.5 (batch)
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-10-08.
| Anthropic: Claude Haiku 5.5 (batch) | Anthropic: Claude Opus 5.5 (batch) | |
|---|---|---|
| Vendor | anthropic | anthropic |
| Quality Score | 100 | 100 |
| Benchmark Score | 73.6 | 100.0 |
| Input Price | $0.05/M | $2.00/M |
| Output Price | $0.25/M | $10.00/M |
| Context Window | 1,000,000 | 1,000,000 |
| Max Output | 128,000 | 128,000 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | - |
| Benchmark Scores | ||
| ai_index | 71.6 | 95.1 |
The verdict
For a sample job of 1 million input tokens and 250,000 output tokens, Claude Haiku 5.5 (batch) costs $0.11 and Claude Opus 5.5 (batch) costs $4.50, so Claude Haiku 5.5 (batch) is about 40.0 times cheaper for the same work.
Both read up to 1,000,000 tokens at once, roughly 1,500 pages of text.
On our blended benchmark score Claude Opus 5.5 (batch) leads 100.0 to 73.6.
Across the 19 tasks where they differ, Claude Haiku 5.5 (batch) scores higher on 6 (Code Completion, Code Documentation, CSV / Spreadsheet Cleanup and others), Claude Opus 5.5 (batch) on 13 (SQL Generation, Code Review, Code Refactoring and others).
Claude Haiku 5.5 (batch) was released in October 2026 and Claude Opus 5.5 (batch) in September 2026.
Pick Claude Haiku 5.5 (batch) if you need lower cost; pick Claude Opus 5.5 (batch) if you need benchmark performance or the stronger all-round task scores.
Costs use current list prices per million tokens; page counts assume about 0.75 words per token and 500 words per page.
Who wins by task?
| Task | Anthropic: Claude Haiku 5.5 (batch) | Anthropic: Claude Opus 5.5 (batch) |
|---|---|---|
| SQL Generation | 142 | 144 |
| Code Review | 145 | 150 |
| Code Completion | 133 | 119 |
| Code Refactoring | 147 | 151 |
| Bug Fixing | 149 | 154 |
| Unit Test Generation | 132 | 135 |
| Code Documentation | 138 | 138 |
| CI/CD Pipelines | 128 | 131 |
| Frontend Component Design | 130 | 133 |
| Data Analysis | 134 | 138 |
| CSV / Spreadsheet Cleanup | 136 | 136 |
| ETL Scripting | 138 | 141 |
| JSON Extraction | 131 | 121 |
| Bulk Data Labeling | 129 | 118 |
| OCR / Document Parsing | 134 | 135 |
| Table Extraction from PDFs | 134 | 135 |
| Long-Document Summarization | 149 | 152 |
| Short-Form Summarization | 127 | 118 |
| Blog Post Writing | 130 | 132 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →