GLM 5.1 pricing & benchmarks
Released Apr 7, 2026 · served by 19 providers · ranked #29 by intelligence in our index
What GLM 5.1 is
GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
- Model ID:
z-ai/glm-5.1 - Modality: text->text
- Tool calling: supported · Structured output: supported
- Weights:
zai-org/GLM-5.1on Hugging Face
Providers and prices for GLM 5.1
The same model costs different amounts depending on who serves it. Prices are per 1M tokens, cheapest first. Uptime and throughput are OpenRouter's rolling measurements, not vendor claims.
| Provider | Input | Output | Context | Quant | Uptime 24h | Throughput |
|---|---|---|---|---|---|---|
| Baiducheapest | $0.952 | $2.99 | 203K | fp8 | 99.7% | — |
| StreamLake | $0.966 | $3.04 | 200K | fp8 | 99.5% | — |
| Chutes | $0.980 | $3.08 | 203K | fp8 | 80.3% | — |
| GMICloud | $0.980 | $3.08 | 203K | fp8 | 98.1% | — |
| Wafer | $1.00 | $3.20 | 203K | fp4 | 99.7% | — |
| DeepInfra | $1.05 | $3.50 | 203K | fp4 | 99.8% | — |
| SiliconFlow | $1.19 | $3.74 | 205K | fp8 | 99.5% | — |
| AtlasCloud | $1.26 | $3.96 | 203K | fp8 | 99.3% | — |
| Phala | $1.21 | $4.20 | 203K | — | 76.3% | — |
| DigitalOcean | $0.975 | $4.30 | 164K | — | 93.8% | — |
| Crusoe | $1.20 | $4.40 | 203K | fp8 | 99.6% | — |
| Novita | $1.38 | $4.40 | 205K | fp8 | 99.3% | — |
| Nebius | $1.40 | $4.40 | 203K | fp8 | 90.5% | — |
| Parasail | $1.40 | $4.40 | 203K | fp8 | 99.8% | — |
| Fireworks | $1.40 | $4.40 | 203K | — | 99.6% | — |
| CoreWeave | $1.40 | $4.40 | 203K | fp8 | 99.0% | — |
| Friendli | $1.40 | $4.40 | 203K | — | 100.0% | — |
| Z.AI | $1.40 | $4.40 | 203K | fp8 | 99.2% | — |
| Venice | $1.54 | $4.84 | 200K | fp8 | 98.8% | — |
GLM 5.1 benchmark results
Design Arena head-to-head results, as reported through the OpenRouter model API.
| Category | Arena | Rank | Elo | Win rate |
|---|---|---|---|---|
| agenticslides | agents | #3 | 1245 | 54.4% |
| dataviz | models | #3 | 1366 | 67% |
| agenticslides(python-pptx) | agents | #4 | 1240 | 53.3% |
| pptxslides | agents | #4 | 1241 | 53.5% |
| 3d | models | #5 | 1336 | 62.6% |
| python-pptxslides | agents | #5 | 1258 | 54.2% |
| agentichtmlslides | agents | #6 | 1205 | 52% |
| agenticslides(html) | agents | #6 | 1204 | 51.8% |
| svg | models | #7 | 1270 | 59.5% |
| gamedev | models | #9 | 1326 | 61.2% |
| mobileapps | agents | #10 | 1226 | 53.9% |
| androidnative | agents | #11 | 1234 | 53% |
| htmlslides | agents | #11 | 1203 | 51.4% |
| uicomponent | models | #11 | 1313 | 59.6% |
| codecategories | models | #13 | 1308 | 58.1% |
| fullstack | agents | #13 | 1214 | 55.9% |
| agenticgamedev | agents | #14 | 1178 | 50.7% |
| website | models | #15 | 1299 | 55.9% |
| webapps | agents | #17 | 1225 | 53.5% |
| godotgamedev | agents | #25 | 1104 | 39.5% |
| asciiart | models | #30 | 1184 | 47.8% |
Cheaper models in the same class
Models scoring within 4 points of GLM 5.1 on the Intelligence Index, but with a lower output price.
FAQ
How much does the GLM 5.1 API cost?
$0.952 per 1M input tokens and $2.99 per 1M output tokens. A typical workload of 1M input + 300K output tokens costs about $1.85.
Is GLM 5.1 free?
No. It is a paid model starting at $0.952 per 1M input tokens, though some providers offer trial credits.
Which provider is cheapest for GLM 5.1?
Baidu at $0.952 input / $2.99 output per 1M tokens (fp8 quantization).
Can I self-host GLM 5.1?
Yes — weights are published as zai-org/GLM-5.1 on Hugging Face, so you can run it on your own hardware.