GLM-5.3
by Z.ai (Zhipu AI)Chat
Flagship GLM model for long-horizon coding, agents, and complex project delivery
- Context
- 1.05M tokens
- Max output
- 131,072 tokens
- Parameters
- 753B total, 40B active
- Released
- 2026-08-14
- Weights
- Open
- Licence
- glm-5.3
zhipuai/glm-5-3 · also seen as z-ai/glm-5.3, zai-org/GLM-5.3, coding-glm-5.3-free, glm5.3, +39 more
Specifications
Full facts as recorded, incl. what is unknown.
- Released
- 2026-08-14
- Weights
- Opennot gated
- License
- glm-5.3
- Input
- Text
- Output
- Text
- Context window
- 1,048,576 max across endpoints
- Max output
- 131,072
- Providers
- 86 + 28 gateways, not counted as providers
- Epoch Capabilities Index
- 155.9 ± 2.2 against price
- Direct price range
- $0.75–$2.10 in · $2.64–$6.63 out per 1M tokens · 62 of 86 providers have a comparable price
More details
- Last updated
- 2026-09-15
- Knowledge cutoff
- Weights link
- Hugging Face · zai-org/GLM-5.3
- Parameters
- 753B total, 40B active
- Base model
- GLM-5.2
- Developer country
- China
Capabilities
Across all endpoints: supported if any endpoint supports it.
- Tool calling
- Parallel tools
- Structured output
- Reasoning
- Image input
- PDF input
- Audio input
- Audio outputunknown
- Video input
- Prompt caching
- Web searchunknown
- Computer useunknown
- System messages
- Assistant prefill
- Temperature
- Streaming
- Attachments
Endpoints
One row per provider and variant; gateways are listed separately.
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Price history
Atom feedNo change since 19 Oct 2026. The cheapest direct price has been $0.84 in / $2.64 out per 1M tokens at Phala on every data refresh since then.
Tracked from 19 Oct 2026, the earliest refresh this model's headline price can be rebuilt from. Headline-eligible direct prices only, so a price the sanity check flags never draws a spike. Series as JSON
Cost calculator
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Similarly priced models
Blended rate per 1M tokens, each at its own cheapest provider (10M input : 2M output mix).
| Model | Blended/1M | In/1M | Out/1M | Context | vs GLM-5.3 |
|---|---|---|---|---|---|
| Qwen 3 235B ThinkingAlibaba (Qwen) | $0.75 | $0.30 | $3.00 | 262K | +0% |
| Nano Banana 2Google | $0.75 | $0.50 | $2.00 | 131K | +0% |
| Kimi K2 0905Moonshot AI | $0.75 | $0.50 | $2.00 | 262K | +0% |
| Motif 3Motif Technologies | $0.75 | $0.50 | $2.00 | 262K | +0% |
| GLM 4.6 OriginalZ.ai (Zhipu AI) | $0.75 | $0.50 | $2.00 | 256K | +0% |
| Doubao Seed 2.0 ProByteDance Seed | $0.748 | $0.45 | $2.24 | 256K | −0% cheaper |
| Seed 2.0 CodeByteDance Seed | $0.733 | $0.40 | $2.40 | 262K | −2% cheaper |
| Devstral 2Mistral AI | $0.733 | $0.44 | $2.20 | 262K | −2% cheaper |
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