Claude Haiku 5.5 (Xhigh) vs GLM-5.3-Flash
Which is better for the money: Claude Haiku 5.5 (Xhigh) by Anthropic or GLM-5.3-Flash by Z AI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GLM-5.3-Flash scores 0.6 points higher (41.8 vs 41.2) but costs 1.9× as much to run the benchmark ($306 vs $158; both mid-range class). Pick GLM-5.3-Flash when the extra intelligence is worth the premium, otherwise Claude Haiku 5.5 (Xhigh).
| Metric | Claude Haiku 5.5 (Xhigh) | GLM-5.3-Flash | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 41.2 | 41.8 | +1.5% GLM-5.3-Flash is 1.5% more intelligent |
| Total AA cost (lower is better) | $157.58 | $305.52 | +93.9% GLM-5.3-Flash is 93.9% more expensive |
| End-to-end time (lower is better) | 68.29s | 37.69s | −44.8% GLM-5.3-Flash is 44.8% faster |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.15 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GLM-5.3-Flash vs Claude Haiku 5.5 (Xhigh): 1.5% more intelligence, 93.9% more cost to run the AA benchmark, and 44.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Haiku 5.5 (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
- GLM-5.3-Flash is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
Claude Haiku 5.5 (Xhigh)GLM-5.3-FlashToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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