Compare models
Pick up to 4 models for a side-by-side spec sheet. Hover any dotted metric name for what the test measures. Best value in each row is highlighted.
Claude Haiku 4.5GPT-5.5 (batch)
| Claude Haiku 4.5 Anthropic | GPT-5.5 (batch) OpenAI | |
|---|---|---|
| Pricing | ||
| Input $/1M | $1.00 | $2.50 |
| Output $/1M | $5.00 | $15.00 |
| Blended $/1M (3:1) | $2.00 | $5.63 |
| Cache read $/1M | $0.10 | $0.25 |
| Cache write $/1M | $1.25 | — |
| Quality indices | ||
| Intelligence Index | 16.9 | 38.4 |
| Coding Index | 43.9 | 74.9 |
| Math Index | — | — |
| Agentic Index | 8 | 36.4 |
| Speed & latency | ||
| Output speed (tok/s) | — | 0 |
| Time to first token | — | 0s |
| Time to first answer token | — | 0s |
| Benchmarks (Artificial Analysis) | ||
| GPQA Diamond | — | 93.5% |
| Humanity's Last Exam | — | 45.8% |
| SciCode | — | 55.8% |
| IFBench | — | 75.9% |
| AA-LCR (Long Context Reasoning) | — | 84.3% |
| Terminal-Bench Hard | — | 60.6% |
| Terminal-Bench 2.1 | — | 84.3% |
| τ²-Bench (Telecom) | — | 93.9% |
| τ³-Bench Banking | — | 39.0% |
| Design Arena (Elo) | ||
| Website | 1,135 | 1,269 |
| Web apps | — | 1,132 |
| Full-stack | — | 1,099 |
| Mobile apps | — | 1,171 |
| Android native | — | 1,175 |
| UI components | 1,115 | 1,273 |
| Data viz | 1,139 | 1,273 |
| SVG | 1,049 | 1,260 |
| 3D | 1,101 | 1,226 |
| Game dev | 1,120 | 1,320 |
| Agentic game dev | — | 1,179 |
| Godot game dev | — | 1,183 |
| HTML slides | — | 1,070 |
| PPTX slides | — | 1,157 |
| Python→PPTX slides | — | 1,152 |
| Agentic slides | — | 1,150 |
| Agentic HTML slides | — | 1,084 |
| Agentic slides (HTML) | — | 1,077 |
| Agentic slides (Python PPTX) | — | 1,155 |
| Code categories | 1,130 | 1,274 |
| ASCII art | 1,159 | 1,276 |
| Specs | ||
| Context window | 200K | 1.05M |
| Max output tokens | 64K | 128K |
| Input modalities | text, image, file | file, image, text |
| Tokenizer | Claude | GPT |