Kimi K2.6 vs gpt-oss-120b
API pricing, context, and independently measured performance, side by side. gpt-oss-120b starts 95% cheaper on input than Kimi K2.6 at list prices.
Kimi K2.6
Moonshot AI · released Apr 20, 2026
Best input$0.57 / MTok
Best output$2.44 / MTok
Context262K
Providers19
Fastest measured0.55s° TTFT · 199 tok/s
Open weightsVisionToolsReasoningStructured outputPrompt caching
gpt-oss-120b
OpenAI · released Aug 5, 2025
Best input$0.03 / MTok
Best output$0.17 / MTok
Context131K
Providers20
Fastest measured0.21s° TTFT · 366 tok/s
Open weightsToolsReasoningStructured outputPrompt caching
Cheapest providers, measuredUSD / MTOK
| MODEL | PROVIDER | INPUT | OUTPUT | TTFT | TPS | SMOKE |
|---|---|---|---|---|---|---|
| Kimi K2.6 | INInceptron | $0.57 | $3.41 | 0.82s° | 112° tok/s | 3/5 |
| Kimi K2.6 | BABaidu | $0.58 | $2.44 | 0.87s° | 85° tok/s | 3/5 |
| Kimi K2.6 | CHChutes | $0.58 | $3.40 | 1.2s° | 33° tok/s | 3/5 |
| gpt-oss-120b | CWCoreWeave | $0.03 | $0.17 | 0.76s° | 51° tok/s | 3/5 |
| gpt-oss-120b |  DeepInfra | $0.037 | $0.17 | 0.55s° | 54° tok/s | 4/5 |
| gpt-oss-120b | AKAkashML | $0.037 | $0.49 | 1.6s° | 68° tok/s | 4/5 |
TTFT/TPS: ModelIndex-measured medians (P50, trailing 72h) · chat10k profile (~10K in / 200 out) · ° = measured via OpenRouter routing (adds a hop) · SMOKE: of 5 programmatic capability probes passed · methodology v1.1 — full details on each model page