GPT-4o vs Claude Haiku 4.5 (latest)
30-second takeaway
- Claude Haiku 4.5 (latest) has the cheaper input: $1 vs $2.5 (per 1M tokens, 60% less)
- Claude Haiku 4.5 (latest) has the larger context: 200K vs 128K tokens
| GPT-4o OpenAI | Claude Haiku 4.5 (latest) Anthropic | |
|---|---|---|
| Input | $2.5 | $1 |
| Output | $10 | $5 |
| Context | 128K | 200K |
More specs (max output / capabilities)
| max output | 16,384 | 64,000 |
| Reasoning | — No | ✓ Yes |
| Tool calls | ✓ Yes | ✓ Yes |
| Open weights | — No | — No |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.