Anthropic: Claude Opus Latest vs OpenAI: GPT-5 Pro
Anthropic: Claude Opus Latest is cheaper on output tokens, while Anthropic: Claude Opus Latest offers a larger context window. Choose Anthropic: Claude Opus Latest or OpenAI: GPT-5 Pro based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Anthropic: Claude Opus Latest | OpenAI: GPT-5 Pro |
|---|---|---|
| Provider | Kilo Gateway | Kilo Gateway |
| Input / 1M tokens | $5.00 | $15.00 |
| Output / 1M tokens | $25.00 | $120.00 |
| Context window | 1M | 400K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2026 | Oct 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.