MoonshotAI Kimi K2 0905 vs OpenAI GPT Audio Mini
Side by side from live data: prices, limits, who serves each model and how reliably, and how they do on our chess arena.
In short
- Both cost about the same at a typical 3:1 input/output mix.
- Kimi K2 0905 accepts longer prompts: 262K vs 128K tokens.
- Kimi K2 0905's best provider was more reliable over 24 h: 100% vs 99.47%.
- GPT Audio Mini is the newer model (released 2026-01-19).
| Kimi K2 0905 | GPT Audio Mini | |
|---|---|---|
| Vendor | MoonshotAI | OpenAI |
| Released | 2025-09-04 | 2026-01-19 |
| Input / 1M | $0.60 | $0.60 |
| Output / 1M | $2.50 | $2.40 |
| Cached input / 1M | — | — |
| Blended / 1M (3:1) | $1.07 | $1.05 |
| Context | 262K | 128K |
| Max output | 98K | 16K |
| Accepts | text | text, audio |
| Reasoning | No | No |
| Providers on OpenRouter | 1 | 1 |
| Cheapest provider, output | $2.50 | $2.40 |
| Best provider uptime, 24 h | 100% | 99.47% |
| Chess arena rating | not playing | not playing |
| Vendor API status | Operational | Operational |
Cost calculator
Kimi K2 0905
$73.50 per month$2.45 per day
GPT Audio Mini
$72.00 per month$2.40 per day
GPT Audio Mini saves $1.50 a month on this workload.
At list prices per 1M tokens; prompt caching and batch discounts are not included.
Compare Kimi K2 0905 with