GLM-5.3-Flash API Pricing
Z AI · released 2026-08-26
Also searched as: GLM 5.3 Flash pricing · 5.3-Flash price
GLM-5.3-Flash price
0.015¢ / 1K
0.050¢ / 1K
0.024¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.0225¢ |
| RAG query | 4,000 in / 500 out | 0.085¢ |
| Long document summary | 50,000 in / 1,000 out | 0.8¢ |
| Code review of a 2k-line file | 30,000 in / 2,000 out | 0.55¢ |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $6.75 |
Cost = (input tokens ÷ 1,000,000 × $0.15) + (output tokens ÷ 1,000,000 × $0.50).
Benchmarks
#24 of 547
#21 of 195
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Haiku 5.5 (Max) | 43.4 | $0.20 |
| Qwen3.8-Flash-Next | 39.8 | $0.23 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Claude Haiku 5.5 (Max) | 43.4 | $0.20 |
| GPT-5.6 Terra (Max) | 42.1 | $4.50 |
| Claude Opus 4.8 (Max) | 41.8 | $10.00 |
| GLM-5.3-Flash | 41.8 | $0.237 |
| Ling 3.1 Flash | 41.1 | $0.45 |
| Gemini 3.8 Flash (High) | 40.9 | $1.50 |
| Claude Opus 4.7 (Max) | 40.7 | $10.00 |
More from Z AI
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GLM-5.3 (Max) | 44.8 | $2.15 |
| GLM-5.2 (Max) | 33.7 | $2.15 |
| GLM-5 (Reasoning) | 27.9 | $1.55 |
| GLM-5-Turbo | 26.6 | — |
| GLM-5.1 (Reasoning) | 26.1 | $1.981 |
| GLM 5V Turbo (Reasoning) | 23.5 | — |
| GLM-4.7 (Reasoning) | 22.2 | $1.00 |
| GLM-4.6 (Reasoning) | 18.5 | $0.963 |
Count tokens & estimate cost for GLM-5.3-Flash See GLM-5.3-Flash on the leaderboard
Source: Artificial Analysis · last synced 2026-10-15
FAQ
Who develops GLM-5.3-Flash?
GLM-5.3-Flash is developed by Z AI, released 2026-08-26.
How much does GLM-5.3-Flash cost per million tokens?
GLM-5.3-Flash costs $0.15 per 1M input tokens and $0.50 per 1M output tokens ($0.237 blended), per Artificial Analysis's official pricing data.
What is the GLM-5.3-Flash API price?
The GLM-5.3-Flash API price is $0.15 per 1M input tokens and $0.50 per 1M output tokens ($0.237 per 1M blended).
How much does GLM-5.3-Flash cost for a typical request?
A short chat reply (500 in / 300 out tokens) costs about 0.0225¢ on GLM-5.3-Flash, at $0.15/1M input and $0.50/1M output.
Is GLM-5.3-Flash free?
GLM-5.3-Flash's official API list price is $0.15 per 1M input tokens and $0.50 per 1M output tokens. This site tracks list prices only, not free tiers or trial credits — check Z AI's site for those.
How does GLM-5.3-Flash rank on benchmarks?
GLM-5.3-Flash scores 41.8 on the Artificial Analysis Intelligence Index, ranking #24 of 547 models we track.
Is there a cheaper model with similar intelligence to GLM-5.3-Flash?
Yes — Claude Haiku 5.5 (Max) scores similar intelligence (43.4) at $0.20/1M blended, versus $0.237/1M for GLM-5.3-Flash.
Where does this data come from?
Pricing and benchmark data for GLM-5.3-Flash comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-10-15.