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9 undominated of 134 · Aug 28, 2026
As of Aug 28, 2026, GLM 5.1 is dominated for Balanced on LMArena. GLM 5.2 scores 1.3 higher and costs 6% less, with a covering envelope. 9 of 134 rated, priced standard models are undominated.
GLM 5.2 is both better and cheaper than GLM 5.1.
Envelope-safe replacements
Each row scores at least as high, costs no more, and covers this model’s context, output, modalities, tools, and reasoning. A cheaper narrower model is not listed here.
| Model | LMArena | Effective $/M | You save |
|---|---|---|---|
| GLM 5.2 | 1465.4 +1.3 | $1.83/M | 6% |
Higher score, lower price, named losses
Not a drop-in. The loss is why these are not a recommendation.
| Model | LMArena | Effective $/M | You give up |
|---|---|---|---|
| Gemini 3.7 Flash | 1490.2 | $0.750/M | max output |
| Gemini 3.6 Flash | 1476.5 | $1.50/M | max output |
| MiMo-V2.5-Pro | 1465.0 | $0.544/M | max output |
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