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9 undominated of 134 · Aug 28, 2026
As of Aug 28, 2026, Step 3.5 Flash is dominated for Balanced on LMArena. Hy3 scores 37.4 higher and costs 4% less, with a covering envelope. 9 of 134 rated, priced standard models are undominated.
Hy3 is both better and cheaper than Step 3.5 Flash.
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 |
|---|---|---|---|
| Hy3 | 1441.2 +37.4 | $0.144/M | 4% |
| DeepSeek V4 Flash 0423 | 1431.6 +27.8 | $0.101/M | 32% |
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 |
|---|---|---|---|
| Gemma 4 26B A4B | 1434.6 | $0.138/M | max output |
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