GLM-5.1 vs Kimi K2.6

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

GLM-5.1

Z.ai (Zhipu) · Apr 2026

The April 2026 GLM refresh — the first open-weights model to take #1 on SWE-bench Pro, edging out Claude Opus 4.6.

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.

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. Kimi K2.6 is about 1.3x cheaper per blended million tokens (3:1 input:output mix). Kimi K2.6 also takes 262K of context versus 200K for GLM-5.1.

Specs & pricing

GLM-5.1Kimi K2.6
modhub Index
Input price / 1M$1.4$0.95
Output price / 1M$4.4$4
Context window200K262K
Max output128K262K
Open weightsyes (MIT)yes (Modified MIT)
Reasoning modelyesyes
Multimodal inputtexttext, image
Knowledge cutoffFeb 2026Feb 2026
ReleasedApr 2026Apr 2026
Example monthly cost*$20.60$15.50

* 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, GLM-5.1 or Kimi K2.6?
These two models don't yet share verified results on the benchmarks we track, so judge them on specs, pricing and intended use. Kimi K2.6 is about 1.3x cheaper per blended million tokens (3:1 input:output mix). Kimi K2.6 also takes 262K of context versus 200K for GLM-5.1.
Which is cheaper, GLM-5.1 or Kimi K2.6?
GLM-5.1 costs $1.4/$4.4 per million input/output tokens, while Kimi K2.6 costs $0.95/$4. For a typical workload of 10M input and 1.5M output tokens per month, that's $20.60 versus $15.50.
Which model is better for coding, GLM-5.1 or Kimi K2.6?
We don't yet track SWE-bench Verified results for both models; check their individual pages for coding-related scores.

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