Performance Benchmarks for glm-5.3-flash

Analyze how glm-5.3-flash stacks up against other frontier models in terms of cost-to-performance and raw intelligence (LMArena Elo).

2026 Performance Summary

🚀 Intelligence (Elo): 1469
💰 API Cost (Input): $7.5e-8 / 1M tokens
⚡ API Cost (Output): $2.5e-7 / 1M tokens
⏱️ Real-world Throughput: 109 tokens/s

Analysis: glm-5.3-flash is currently positioned on the Pareto Frontier. This means it offers a unique and optimal balance between intelligence (Elo: 1469) and cost ($7.5e-8/1M tokens), making it a top-tier choice for its price bracket.

Highly Recommended Alternatives

Frontier Model	LMArena Elo	API Cost (1M)	Throughput
hy4-preview	1631	$8.34e-7	30
gemini-3-flash	1474	$5e-7	75
gemma-4-26b-a4b	1438	$7e-8	52
qwen3.5-flash	1397	$6.5e-8	41
qwen3-30b-a3b-instruct-2507	1382	$4.815e-8	79

*These models represent the Pareto Frontier (optimal cost-to-performance).*