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GLM-5.3

by Zhipu AI · Text & Chat · Code

Z.ai's open-weight flagship · AA Intelligence Index 45 · 753B MoE (40B active) · 1M context.

92/100AIVerso score
#15 of 49in Text & Chat
$1.40/$4.40 per 1M tokensStarting price
YesFree tier
Try GLM-5.3 →Compare with alternatives →

At a glance

ProviderZhipu AI
CategoryText & Chat, Code
Starting price$1.40/$4.40 per 1M tokens
Pricing detailsFree (open weights) · $1.40/$4.40 per 1M
Free tierYes
API accessYes
Open sourceYes
Context window1M tokens
Mobile appiOS & Android

Key facts

Capability ratings

Math & Logice.g. AIME, MATH-500
89
Programminge.g. SWE-bench, LiveCodeBench
88
Reasoninge.g. GPQA, ARC
88
Knowledgee.g. MMLU-Pro
86
Long Contexte.g. MRCR, needle tests
88
Instruction Followinge.g. IFEval
87
Agent Capabilitye.g. Terminal-Bench, tool use
87

AIVerso capability ratings (0–100), an editorial summary informed by public benchmark results. Higher is better.

Features

✗ Image generation
✗ Video generation
✗ Native audio model
✗ Web search
✗ Voice mode (app)
✗ PDF analysis

Strengths

Free tier available
Open source / open weights — self-hostable
Large 1M token context window
API access for developers
iOS & Android apps

Limitations

No built-in web search

Best alternatives to GLM-5.3

Claude Opus 5.5
Anthropic · From $20/mo (Pro) — Higher score (99 vs 92)
99
GPT-6 Astra
OpenAI · From $20/mo (Plus) — Higher score (98 vs 92)
98
Fugu Ultra v2
Sakana AI · $5/$30 per 1M tokens — Higher score (97 vs 92)
97
Gemini 3.1 Pro
Google · Free – $20/mo · free tier — Higher score (96 vs 92)
96
MiMo-V2.6-Pro
Xiaomi · Free (open weights) · $0.44/$0.87 per 1M · free tier — Higher score (96 vs 92)
96

🔗 Comparisons & guides

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❓ Frequently Asked Questions

Is GLM-5.3 free?

Yes — GLM-5.3 has a free tier. Pricing: $1.40/$4.40 per 1M tokens (details: Free (open weights) · $1.40/$4.40 per 1M).

What are the best alternatives to GLM-5.3?

The highest-rated AI chatbots & text models from other providers on AIVerso are Claude Opus 5.5 (99/100), GPT-6 Astra (98/100), Fugu Ultra v2 (97/100).

Does GLM-5.3 have an API?

Yes, GLM-5.3 can be used via an API.

Is GLM-5.3 open source?

Yes — GLM-5.3 is available as open source / open weights, so it can be self-hosted.

How does AIVerso rate GLM-5.3?

GLM-5.3 scores 92/100 on AIVerso and ranks #15 of 49 in Text & Chat. Scores combine public benchmark results, features and pricing; commissions never influence them.

How we rate: Scores and capability ratings are based on public benchmarks, provider documentation, features and pricing — not on commission rates. Prices can change; check the provider's site before buying. Last updated: October 2, 2026.