GLM-5.1
π Join our WeChat or Discord community. π Check out the GLM-5.1 blog and GLM-5 Technical report. π Use GLM-5.1 API services on Z.ai API Platform. π GLM-5.1 will be available on chat.z.ai in the coming days.
Params
753.9 B
Context
202,752
Downloads 30d
626 K
Likes
1,850
Download history
daily snapshots Β· 27 days626 K188 K
Sep 28Oct 7Oct 16Oct 24
Can you run it?
Estimated VRAM at 8K context unless noted. Pick your hardware to see the verdict per quantization.
| File | Quant | Size | Est. VRAM | Verdict on RTX 4090 Β· 24 GB |
|---|---|---|---|---|
| model.safetensors | bf16 | 1,507.7 GB | 1,772.1 GB | β Wonβt fit |
| model.safetensors (bf16, full) | bf16 + 198K ctx | 1,507.7 GB | 4,457.7 GB | β Wonβt fit |
Estimate: file size Γ 1.1 + KV cache at 8K + 0.5 GB overhead. Not a benchmark β how we calculate this.
Run it
copy-paste, exact tags checked against the Hub$ curl -s https://aimodelscomparison.com/api/v1/models/glm-5-1
{
"hf_id": "zai-org/GLM-5.1",
"params_b": 753.86,
"context_length": 202752,
"license": { "id": "mit", "commercial": "yes" },
"downloads_30d": 626063,
"vram_estimates": [
{ "quant": "bf16", "gb": 1772.1 }
],
"updated_at": "2026-09-28T01:00:28Z"
}
Use via API
via OpenRouter Β· USD per 1M tokens Β· synced 2026-10-24$1.40
input / 1M
$4.40
output / 1M
$0.26
cached input / 1M
$5.80
1M in + 1M out
- Context window
- 202,752 tokens
- Max output
- 131,072 tokens
- Providers
- 13
- Cheapest provider
- Baidu Β· $0.96 / $3.03
- Best throughput
- β
- AA Intelligence / Coding / Agentic
- 26.1 / 55.8 / 23.9
β Tool calling
β Reasoning
β Structured outputs
β Image input
β File input
β Audio input
β Prompt caching
Specifications
- Architecture
- GlmMoeDsaForCausalLM
- Parameters
- 753.9 B
- Tensor type
- BF16
- Context length
- 202,752
- Vocabulary
- 154,880
- Layers / heads
- 78 / 64
- Licence
- mit
- First seen on the Hub
- 2026-04-03
- Training datasets
- undisclosed
- Added to our catalog
- 2026-09-28
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