Pyyan / Compare / Claude Haiku 5.5 vs GPT-6 Astra
Claude Haiku 5.5 vs GPT-6 Astra
2 of 5Language Models · verified 10 Oct 2026
Claude Haiku 5.5Anthropiccurrent
GPT-6 AstraOpenAIcurrent| Specification | Claude Haiku 5.5 | GPT-6 Astra |
|---|---|---|
| Summary | A tenth of Haiku 4.5's price, and it finishes terminal tasks Haiku 4.5 could not start. | Saturates three of the benchmarks it reports, and ships disabled for enterprise. |
| Context | Not published | 1.05M |
| Input ($/Mtok) | $0.1 | $10 |
| Output ($/Mtok) | $0.5 | $50 |
| Licence | Proprietary | Proprietary |
| Max output | Not published | 128K |
| Parameters | Not published | Not published |
| Released | 7 Oct 2026 | 3 Sep 2026 |
| Model ID | claude-haiku-5-5 | gpt-6-astra |
| Category | Language Models | Language Models |
| Official | Anthropic ↗ | — |
Highlighted rows are where these differ.
Claude Haiku 5.5
- 39.2% on Terminal-Bench 4.0, where Haiku 4.5 scored 0.0%
- Above 100K tokens the price rises to $0.50 and $2.50, for the whole request
- First Haiku with an adjustable effort setting, and a new tokenizer that spends slightly more tokens
Best for high volume work at the bottom of the stack.
GPT-6 Astra
- 97.6% on FrontierMath Tier 4, 99.9% on ARC-AGI-3 and 100% on ExploitBench
- Above 272K input tokens the whole request reprices: input and cache at 2x, output at 1.5x
- Rolls out to OpenAI's Daybreak cyber programme first, and arrives switched off for enterprise
Best for hard reasoning and computer use.