Kimi K2.5 vs o4-mini
| Kimi K2.5 | o4-mini | |
|---|---|---|
| Provider | Moonshot | OpenAI |
| Context Window | 262,144 | 200,000 |
| Release Date | — | 2025-04-16 |
| Input Price | $0.50/ 1M tokens | $1.10/ 1M tokens |
| Output Price | $2.80/ 1M tokens | $4.40/ 1M tokens |
| Best for | coding · reasoning · tool use · agentic workflows | mathematics · coding · reasoning · agent workflows |
Capabilities
| Kimi K2.5 | o4-mini | |
|---|---|---|
| Vision | ✗ | ✗ |
| Reasoning | ✓ | ✓ |
| Coding | ✓ | ✓ |
| Audio | ✗ | ✗ |
| Tools | ✓ | ✓ |
| Long Context | ✓ | ✓ |
Ranking Comparison
| Kimi K2.5 | o4-mini | |
|---|---|---|
| Overall | 41.4 | 41.4 |
| Benchmark | 0 | 0 |
| Capability | 57.1 | 57.1 |
| Price Efficiency | 100 | 100 |
| Context | 100 | 100 |
Overall = Benchmark 50% + Capability 20% + Price Efficiency 20% + Context 10%.
Benchmark Comparison
| Kimi K2.5 | o4-mini | |
|---|---|---|
| Coding | — | — |
| Reasoning | — | — |
| Math | — | — |
| Vision | — | — |
Price History
Kimi K2.5
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $0.50 | $2.80 |
/ 1M tokens
o4-mini
| Date | Input | Output |
|---|---|---|
| 2026-08-05 | $1.10 | $4.40 |
/ 1M tokens
Kimi K2.5
Moonshot AI's latest open-weight reasoning model for agentic coding and tool use.
o4-mini
OpenAI's compact reasoning model for complex STEM and coding at low cost.
Frequently Asked Questions
Which model is better: Kimi K2.5 or o4-mini?
Based on overall scores, Kimi K2.5 ranks higher (41.4 vs 41.4). See the comparison table for a full breakdown.
Which model is cheaper: Kimi K2.5 or o4-mini?
Kimi K2.5 is cheaper: $0.5 vs $1.1 per 1M input tokens.
What are the capability differences between Kimi K2.5 and o4-mini?
Kimi K2.5 and o4-mini support the same set of capabilities.