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GLM 5.3 Flash

by z-ai · Released Aug 2026

Multimodal1M Context
50.5
avg score
Rank #151
Compare
Better than 53% of all models
Context
1.0M tokens (~524 books)
Input $/1M
$0.02
Output $/1M
$0.14
Type
multimodal
License
Proprietary
Benchmarks
23 tested
Data as of
About

GLM-5.3-Flash is a native multimodal model from Z.ai. It is suited for efficient coding and long-horizon agent tasks. Its hybrid sparse and linear attention architecture maintains accurate long-context behavior while...

Tested on 23 benchmarks · BenchGecko score 50.5. Top scores: Chatbot Arena Elo — Coding (1615.6%), Chatbot Arena Elo — Overall (1473.0%), OTIS Mock AIME 2024-2025 (93.9%).

Capabilities
coding
37.8
#152 globally
reasoning
78.4
#27 globally
math
56.6
#106 globally
knowledge
53.7
#104 globally
agentic
52.8
#23 globally
general
24.5
#153 globally
speed
53.9
#24 globally
Benchmark Scores
Compare All
Tested on 23 benchmarks · Ranked across 8 categories
Score Distribution (all 320 models)
0255075100
▲ You are here
codingCompare coding →
Deepswe
63.4·
Frontiercode
31.8·
Frontierswe
18.1·
reasoningCompare reasoning →
ARC-AGI

Abstraction and Reasoning Corpus. Tests fluid intelligence through novel visual pattern recognition puzzles. Core measure of general intelligence.

91.0·
ARC-AGI-2

ARC-AGI 2, harder sequel to ARC. More complex abstract reasoning patterns that test generalization ability beyond training data.

65.8·
mathCompare math →
OTIS Mock AIME 2024-2025

Mock AIME (American Invitational Mathematics Exam) problems from OTIS. Tests mathematical competition performance.

93.9·
FrontierMath-Tiers-1-3-v2-Private
58.7·
FrontierMath-Tier-4-v2-Private
17.1·
Quick compare:Google DeepMind logovs Gemini 2.0 ProTII logovs Falcon-180BMicrosoft logovs Phi 3 Mini 4k Instruct
Excellent (85+) Good (70-85) Average (50-70) Below (<50)
Model Family · z-ai GLM 5.3
Aug 2026
64.0
$0.08/M in1.0Mctx22 benchmarks
Aug 2026
$0.45/M in(+0.37)1.0Mctx
Aug 2026
50.5-13.5
$0.05/M in(-0.40)1.0Mctx23 benchmarks
Aug 2026
$0.05/M in(+0.00)1.0Mctx
Sep 2026
$0.37/M in(+0.32)1.0Mctx
Sep 2026
$2.80/M in(+2.43)1.0Mctx(-49K)
See the full GLM 5.3 family →
Recently Happened
GLM 5.3 Flash pricing dropped 68%
Oct 18, 2026
GLM 5.3 Flash pricing increased 317%
Oct 15, 2026
GLM 5.3 Flash pricing increased 257%
Sep 28, 2026
GLM 5.3 Flash pricing increased 67%
Sep 22, 2026
GLM 5.3 Flash pricing dropped 10%
Sep 17, 2026
GLM 5.3 Flash pricing increased 114%
Sep 11, 2026
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Links
Info
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BenchGecko API
glm-5-3-flash
Specifications
  • Typemultimodal
  • Context1.0M tokens (~524 books)
  • ReleasedAug 2026
  • LicenseProprietary
  • StatusActive
  • Cost / Message~$0.000
Available On
z-ai logoz-ai$0.02
Categories
codingreasoningmathknowledgeagenticgeneralspeed
Learn More
context-windowtransformertokens
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Related Models
Google DeepMind logoGemini 2.0 Pro
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GLM 5.3 Flash is a proprietary multimodal AI model by z-ai, released in August 2026. It has an average benchmark score of 50.5. Context window: 1M tokens.

Related Models

Gemini 2.0 Pro · Google DeepMindFalcon-180B · TIIPhi 3 Mini 4k Instruct · MicrosoftGemma 2 27B · Google DeepMindMagnum v4 72B · anthracite-org

Benchmarks

Chatbot Arena Elo — CodingChatbot Arena Elo — OverallOTIS Mock AIME 2024-2025Artificial Analysis · GPQA DiamondARC-AGI

Related Pages

z-ai · Providerz-ai · EconomyAll ModelsCompare ModelsPricingDevelopers · APIContext Window · Glossary

Key facts · as of 2026-10-22

  • GLM 5.3 Flash by z-ai. BenchGecko score 50.5, rank 151 of 320 scored models (normalized average of public benchmark scores).
  • List price $0.0162 input · $0.14 output per 1M tokens (as of 2026-10-22).
  • Sold by 34 providers (as of 2026-10-22): OpenInference (fp4) $0.0102 in / $0.17 out · Relace $0.0102 in / $0.17 out · StreamLake (fp8) $0.0435 in / $0.14 out · Wafer (nvfp4) $0.0740 in / $0.20 out · GMICloud (fp8) $0.0750 in / $0.25 out · and 29 more. Every provider
  • Gecko Tests · Gecko Score 43 (rank 29): Who Are You B (Knows who made it) · World Map D (89.7% of the map right) · Knowledge Horizon B (Knows news up to Jan 2026) · Tokenizer Tax D (70% more tokens outside English).

How to cite · data as of 2026-10-22

GLM 5.3 Flash · benchmarks, pricing and providers. BenchGecko, data as of 2026-10-22. https://benchgecko.ai/model/glm-5-3-flash

Credit "Source: BenchGecko" with a link. Prices per provider and Gecko Tests are BenchGecko data (CC BY 4.0); benchmark scores keep their original source, listed in the JSON. JSON · llms.txt · MCP