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GLM-5.3
zhipuai·zhipuai/glm-5.3-2·GA·Closed·glm series·NEW
Flagship GLM model for long-horizon coding, agents, and complex project delivery
At a glance
Reference price$1.75 / $5.50 per 1M
Cache read $0.325 · Venice AI
Lowest paid$0.70 / $2.20
Merge Gateway Gateway · 2.5× spread
2 more $0 channels
Context1,000,000
⚠ Providers report 1,000,000–1,048,576; the table below is authoritative
Output limit131,072
Capabilities
✓ Reasoning✓ Tool use✓ Structured output✓ TemperatureAttachments
Modalities
Text
Knowledge cutoff—
Released / updated2026-08-14 / 2026-08-14
Quality & performanceArtificial Analysis · Intelligence Index v4.1 · rep. tier max
Intelligence59.5
Value55
Coding74.8
Agentic59.1
Output speed85 tok/s
TTFT1.88 s
Cost per task$0.6829
Value formulaIQ 59.5 ÷ min blended $1.075 = 55
Quality is independently evaluated by Artificial Analysis. Speed/latency are model-level medians.
Available at 15 providers13 with public prices · 2 subscription-covered
| Provider | Tier | Input | Output | Cache read | Cache write | Context | Output limit | Status |
|---|---|---|---|---|---|---|---|---|
| Zhipu AI Coding Plan glm-5.3 | Gateway | Subscription | $0 | $0 | 1,000,000 | 131,072 | ||
| Z.AI Coding Plan glm-5.3 | Gateway | Subscription | $0 | $0 | 1,000,000 | 131,072 | ||
| Merge Gateway zai/glm-5.3 | Gateway | $0.70 | $2.20 | $0.13 | — | 1,000,000 | 131,072 | |
| Ofox z-ai/glm-5.3 | Gateway | $1.26 | $3.96 | $0.234 | — | 1,000,000 | 131,072 | |
| Requesty glm-5.3 | Gateway | $1.26 | $3.96 | $0.234 | — | 1,000,000 | 128,000 | |
| Vivgrid glm-5.3 | Gateway | $1.20 | $4.20 | $0.26 | — | 1,000,000 | 131,072 | |
| CrossModel z-ai/glm-5.3 | Gateway | $1.20 | $4.40 | $0.30 | $1.20 | 1,000,000 | 128,000 | |
| OpenRouter z-ai/glm-5.3 | Gateway | $1.40 | $4.40 | $0.26 | — | 1,048,576 ⚠ | 131,072 | |
| OpenCode Go glm-5.3 | Gateway | $1.40 | $4.40 | $0.26 | — | 1,000,000 | 131,072 | |
| EmpirioLabs AI glm-5-3 | Gateway | $1.40 | $4.40 | $1.40 | — | 1,000,000 | 131,072 | |
Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.
Your usage cost
1Merge Gateway$181.60
2Ofox$326.88
3Requesty$326.88
4Vivgrid$337.20
5CrossModel$352.00
6OpenRouter$363.20
2 more channels offer $0 (Zhipu AI Coding Plan, Z.AI Coding Plan); free tiers usually have rate limits and no SLA, excluded from ranking.
The cheapest paid channel is the only channel.
Benchmark
No upstream benchmark data for this model. For quality, see the Artificial Analysis intelligence score above.
Reasoning control
effort = loweffort = higheffort = maxeffort = noneeffort = mediumbudget_tokens
Related models
GLM Latestsame series$1.40 / $4.40Z.ai: GLM Latestsame series$1.40 / $4.40GLM 5.3 Preview Thinkingsame series$1.40 / $4.40DeepSeek V4 Procheaper alternative$0.435 / $0.87DeepSeek V4 Flashcheaper alternative$0.14 / $0.28DeepSeek V4 Flash 0731cheaper alternative$0.479 / $1.44MiniMax-M3cheaper alternative$0.30 / $1.20
Price historyone sample accumulated per data sync
Input listOutput listMin blended