Kimi K3 is cheaper than Claude Opus 4.1 at $3/M vs $15/M input tokens.
| Spec | Claude Opus 4.1 | Kimi K3 |
|---|---|---|
| Input price | $15/M tokens | $3/M tokens |
| Output price | $75/M tokens | $15/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | Aug 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Kimi K3 costs 5.0x less per token.
Kimi K3 is cheaper on both — 5.0× input, 5.0× output
Claude Opus 4.1 uses 4.2x more sentence length
Kimi K3 is cheaper than Claude Opus 4.1 at $3/M vs $15/M input tokens.
| Spec | Claude Opus 4.1 | Kimi K3 |
|---|---|---|
| Input price | $15/M tokens | $3/M tokens |
| Output price | $75/M tokens | $15/M tokens |
| Context window | 200K tokens | 1.0M tokens |
| Released | Aug 2025 | Jul 2026 |
Not enough votes to call it. On the specs, nothing separates them.
Kimi K3 costs 5.0x less per token.
Kimi K3 is cheaper on both — 5.0× input, 5.0× output
Claude Opus 4.1 uses 4.2x more sentence length