Claude 4.5 Opus vs Kimi K3.1 Pro Highspeed
Claude 4.5 Opus is cheaper on output tokens, while Kimi K3.1 Pro Highspeed offers a larger context window. Choose Claude 4.5 Opus or Kimi K3.1 Pro Highspeed based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Claude 4.5 Opus | Kimi K3.1 Pro Highspeed |
|---|---|---|
| Provider | AI/ML API | Venice AI |
| Input / 1M tokens | $5.29 | $6.00 |
| Output / 1M tokens | $26.45 | $30.00 |
| Context window | 200K | 1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Oct 2026 |
| SWE-bench Verified score | 76.8 | — |
FAQ
Is Claude 4.5 Opus or Kimi K3.1 Pro Highspeed cheaper?
Claude 4.5 Opus is cheaper on output tokens ($26.45 vs $30.00 per 1M).
Which has the larger context window, Claude 4.5 Opus or Kimi K3.1 Pro Highspeed?
Kimi K3.1 Pro Highspeed has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.