Claude Haiku 5.5 vs GPT-6.1 Terra
Specs, per-token pricing and benchmark scores from our benchmark database.
Specs & pricing
| Claude Haiku 5.5 | GPT-6.1 Terra | |
|---|---|---|
| Company | Anthropic | OpenAI |
| Released | Oct 2026 | Oct 2026 |
| Context window | 1.0M | 1.1M |
| Input /1M tokens | $0.1 | $1 |
| Output /1M tokens | $0.5 | $5 |
| Open weights | No | No |
Benchmarks
| Benchmark | Claude Haiku 5.5 | GPT-6.1 Terra |
|---|---|---|
| AA Intelligence Index | 43.4% | — |
| Arena Elo | 1425 Elo | — |
| Hallucination Rate (lower is better) | 40.4% | — |
| Speed (tok/s) | 235 tok/s | — |
Scores come from independent evaluators and developers' own announcements; each one links to its source on the benchmarks page. Pricing via vendor pages and OpenRouter.