GPT-5.4 Pro vs Claude Haiku 4.5
Claude Haiku 4.5 is cheaper on output tokens, while GPT-5.4 Pro offers a larger context window. Choose GPT-5.4 Pro or Claude Haiku 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GPT-5.4 Pro | Claude Haiku 4.5 |
|---|---|---|
| Provider | OpenCode | OpenCode |
| Input / 1M tokens | $30.00 | $1.00 |
| Output / 1M tokens | $180.00 | $5.00 |
| Context window | 1.1M | 200K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Oct 2025 |
FAQ
Is GPT-5.4 Pro or Claude Haiku 4.5 cheaper?
Claude Haiku 4.5 is cheaper on output tokens ($5.00 vs $180.00 per 1M).
Which has the larger context window, GPT-5.4 Pro or Claude Haiku 4.5?
GPT-5.4 Pro has the larger context window (1.1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.