GLM-5.3 Flash Benchmarks, Pricing & Rankings

Zhipu AI · 2026-09-26 · Open · Current

Snapshot 2026-10-14 · updated weekly

GLM-5.3 Flash ranks #22 of 42 on the AMR leaderboard.

GLM-5.3 Flash benchmark scores

GPQA Diamond80.4%
MMLU-Pro78.9%
SWE-Bench Verified58.3%
AIME 202579.6%
LiveCodeBench v669.1%
Arena Elo1372

GLM-5.3 Flash price, speed & context

Input price

$0.12

per 1M tokens

Output price

$0.50

per 1M tokens

Speed

268

tok/s

Context

256K

tokens

About GLM-5.3 Flash

GLM-5.3 Flash is the fastest open model in the top 25 at 268 tok/s and one-tenth the input price of closed flagships — this week’s biggest mover among open models.

Models around GLM-5.3 Flash in the rankings

More Zhipu AI models

GLM-5.3 Flash FAQ

Where does GLM-5.3 Flash rank?

GLM-5.3 Flash ranks #22 of 42 tracked AI models on the AMR aggregate as of October 2026, with an aggregate score of 84.1. Its strongest dimension is GPQA Diamond at 80.4%.

How much does GLM-5.3 Flash cost?

GLM-5.3 Flash costs $0.12 per million input tokens and $0.50 per million output tokens on the standard API. At a typical 1:3 input/output agent workload, that blends to roughly $0.41 per million tokens.

What is the GLM-5.3 Flash context window?

GLM-5.3 Flash supports a 256K token context window and generates at a median 268 output tokens per second. That context fits roughly 171 standard documents in a single prompt.

Is GLM-5.3 Flash open source?

Yes — GLM-5.3 Flash ships open weights that you can download and self-host or serve through any compatible inference provider.

What is better than GLM-5.3 Flash?

DeepSeek V4.5 ranks one place higher at #21 with an AMR score of 84.5. GLM-5.3 Flash still wins 0 of the tracked dimensions head-to-head — check the comparison table to see exactly which.