Kimi K2.6 vs Mistral Medium 3.5

Benchmarks, API pricing and specs, head to head. Data updated 2026-06-10.

Kimi K2.6

Moonshot AI · Apr 2026

Moonshot's multimodal flagship that ties GPT-5.5 on several coding evaluations at a fraction of the price, with open weights.

Mistral Medium 3.5

Mistral AI · Mar 2026

Europe's strongest model line: frontier-adjacent quality at $0.40/$2 with EU data residency and on-prem options.

The verdict

These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. Mistral Medium 3.5 is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Kimi K2.6 also takes 262K of context versus 131K for Mistral Medium 3.5. And Kimi K2.6 is open-weights (Modified MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.

Specs & pricing

Kimi K2.6Mistral Medium 3.5
modhub Index
Input price / 1M$0.95$0.4
Output price / 1M$4$2
Context window262K131K
Max output262K
Open weightsyes (Modified MIT)no
Reasoning modelyesno
Multimodal inputtext, imagetext, image
Knowledge cutoffFeb 2026Dec 2025
ReleasedApr 2026Mar 2026
Example monthly cost*$15.50$7.00

* 10M input + 1.5M output tokens per month at list prices, no caching. Green = better value on that row.

Frequently asked questions

Which is better, Kimi K2.6 or Mistral Medium 3.5?
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. Mistral Medium 3.5 is about 2.1x cheaper per blended million tokens (3:1 input:output mix). Kimi K2.6 also takes 262K of context versus 131K for Mistral Medium 3.5. And Kimi K2.6 is open-weights (Modified MIT), so it can be self-hosted — a structural advantage if data control or vendor independence matters.
Which is cheaper, Kimi K2.6 or Mistral Medium 3.5?
Kimi K2.6 costs $0.95/$4 per million input/output tokens, while Mistral Medium 3.5 costs $0.4/$2. For a typical workload of 10M input and 1.5M output tokens per month, that's $15.50 versus $7.00.
Which model is better for coding, Kimi K2.6 or Mistral Medium 3.5?
We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.

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