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Kimi K3.1 Pro vs Qwen3.8 Max

Side by side

SpecKimi K3.1 ProQwen3.8 Max
Lowest input$2.00Nebius$1.65DeepInfra
Lowest output$10.00Nebius$4.951DeepInfra
Lowest cached input$0.20Nebius$0.206DeepInfra
Context1.05M256K
Max output524K131K
Providers51
ReleasedOctober 24, 2026September 3, 2026
WeightsOpenProprietary
LabMoonshot AIQwen
Model IDmoonshotai/kimi-k3.1-proqwen/qwen3.8-max

USD per 1M tokens, as of November 5, 2026.

Price by provider

ProviderKimi K3.1 ProQwen3.8 Max
DeepInfra–$1.65 / $4.951
Doubleword$2.00 / $10.00–
Inference.net$2.00 / $10.00–
Nebius$2.00 / $10.00–
Novita AI$2.00 / $10.00–
Wafer$2.00 / $10.00–

Input / output, USD per 1M tokens.

Cost

Model1,000 chat replies2K in, 500 out each1,000 agent tasks50K in, 5K out eachMonthly batch job500M in, 50M out
Kimi K3.1 ProNebius$9.00$150.00$1,500.00
Qwen3.8 MaxDeepInfra$5.78$107.26$1,072.55

On each model's cheapest provider by input plus output list price.

FAQ

Which is cheaper, Kimi K3.1 Pro or Qwen3.8 Max?

Input: Qwen3.8 Max at $1.65 per million input tokens vs $2.00 (Kimi K3.1 Pro), 21% lower. Output: Qwen3.8 Max at $4.951 per million output tokens vs $10.00 (Kimi K3.1 Pro), 2x lower. Lowest listed prices as of November 5, 2026.

Which has the longer context window?

Kimi K3.1 Pro, with 1.05M tokens vs 256K.

Which providers serve both Kimi K3.1 Pro and Qwen3.8 Max?

None right now. Kimi K3.1 Pro has 5 providers and Qwen3.8 Max has 1, with no overlap.

Do Kimi K3.1 Pro and Qwen3.8 Max have cached input pricing?

Kimi K3.1 Pro from $0.20 per million cached input tokens (Nebius). Qwen3.8 Max from $0.206 (DeepInfra).

Can I switch between Kimi K3.1 Pro and Qwen3.8 Max without changing code?

Yes. Both use the same OpenAI-compatible endpoint, https://api.routerplus.com/v1, and key. Change the model field from "moonshotai/kimi-k3.1-pro" to "qwen/qwen3.8-max".

All comparisons

Run Kimi K3.1 Pro and Qwen3.8 Max on one key