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GLM-5.3

Open weights Z.ai 2026-08 1M context

First among open models on Terminal-Bench 4.0 (38.9%) — the pick for long-horizon agent workflows

Intelligence v5
32.0
Leaderboard rank
#14
Input / output
$0.60/$2.20
Blended 3:1
$1.00
Output speed
77 tok/s
Value
32 pts/$
Capability profile Normalised to the field maximum
Specifications
Vendor
Z.ai
Released
2026-08
Weights
Open (GLM-5.3 License)
Context
1,000,000 tokens
Max output
Undisclosed
Parameters
753B total / 18B active
Input price
$0.60 / 1M
Output price
$2.20 / 1M
Cache hit
n/a
Output speed
77 tok/s
Intelligence
32.0(v5)

Benchmark scores

How it is measured →

Ranked 14 · bars are scaled to the field maximum for that benchmark.

BenchmarksScoreVs. best in fieldGap
AA Intelligence Index v5 Intelligence index 32.054% −27.4 pts
AA Intelligence Index v4.3.2 Intelligence index (legacy) 44.878% −12.8 pts
GPQA Diamond Graduate-level science reasoning 90.994% −5.5 pts
Terminal-Bench 4.0 Terminal-agent tasks 38.960% −26.3 pts
LiveBench Design——not indexed
Vals Index——not indexed

Assessment

753B total with 18B active and 1M context. Its Terminal-Bench 4.0 score of 38.9% is the highest of any open model, double DeepSeek V4.1 Flash's 19.7%. But at $2.01 per index task it costs 7.7× DeepSeek, because it burns more reasoning tokens.

At the same price

The four models closest on blended price, side by side.

Modelv5Blendedtok/sScore gap
MiMo-V2.6 Pro Open weightsXiaomi 30.0 $0.61 81 -2.0
DeepSeek V4.1 Flash Open weightsDeepSeek 32.5 $0.53 148 +0.5
MiniMax M3.1 FlashMiniMax 29.0 $0.26 118 -3.0
Claude Haiku 5.5Anthropic 36.2 $0.20 235 +4.2

Compare side by side

Line it up against other models on price, speed and every benchmark.

The comparison tool lines up to 4 models side by side with switchable normalisation — built for purchasing decisions.

Open the comparison tool → Back to leaderboard

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