GLM-5.1 vs Kimi K2.5: Specs & Benchmark Comparison

CharacteristicGLM-5.1Kimi K2.5
CompanyZhipu AIMoonshot AI
Release DateApril 7, 2026January 26, 2026
Parameters754B1.0T
MultimodalNoYes
Context (input)200K
Context (output)131K
Input Price / 1M$1.40
Output Price / 1M$4.40
Average Score0.90.9
Benchmarks
GPQA0.90.9
HMMT 20250.90.9

Visual Benchmark Comparison

GLM-5.1
Kimi K2.5
GPQA0.9 vs 0.9
0.9
0.9
HMMT 20250.9 vs 0.9
0.9
0.9

Verdict

GLM-5.1 leads in 1 out of 2 comparison categories.

Overall Performance

Both models show comparable average scores: GLM-5.1 — 0.9, Kimi K2.5 — 0.9.

Recency

GLM-5.1 is newer: released 4/7/2026 vs 1/26/2026.

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Frequently Asked Questions

Which is better for coding — GLM-5.1 or Kimi K2.5?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — GLM-5.1 or Kimi K2.5?
API pricing data is available on the individual model pages.
Which has a larger context window — GLM-5.1 or Kimi K2.5?
Context window data is available on the individual model pages.

The GLM-5.1 and Kimi K2.5 comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the GLM-5.1 or Kimi K2.5 page. See also the complete list of AI model comparisons.