Z.ai: GLM 5.1
Released Apr 7, 2026Try it on:
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...
Best overall rank
#12
▼ 1 vs 7d ago
Total arena votes
173,027
Across 33 (subset, category) entries
Providers on OR
19
Friendli + others
First seen
2026-05-08
61 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.966
- Output (per 1M)
- $3.04
- Cache Read (per 1M)
- $0.179
Capabilities
Modality
text->textContext
203K tokens
Tokenizer
Other
Max output
128K tokens
Moderation
Unmoderated
Hugging Face
Supported parameters
frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
presence_penalty
reasoning
repetition_penalty
response_format
seed
stop
structured_outputs
temperature
tool_choice
tools
top_k
top_logprobs
top_p
Providers
| Provider | Region / Tag | Context | Input/M | Output/M | Uptime 1d | Latency | Quant | Cache |
|---|---|---|---|---|---|---|---|---|
| Friendli | friendli | 203K | $1.40 | $4.40 | 99.97% | - | - | - |
| DeepInfra | deepinfra/fp4 | 203K | $1.05 | $3.50 | 99.89% | - | fp4 | - |
| Baidu | baidu/fp8 | 203K | $0.980 | $3.08 | 99.54% | - | fp8 | - |
| Z.AI | z-ai/fp8 | 203K | $1.40 | $4.40 | 99.46% | - | fp8 | - |
| BaseTen | baseten/fp4 | 203K | $1.30 | $4.30 | 99.15% | - | fp4 | - |
| Parasail | parasail/fp8 | 203K | $1.40 | $4.40 | 99.04% | - | fp8 | - |
| Wafer | wafer/fp4 | 203K | $1.00 | $3.20 | 98.64% | - | fp4 | - |
| Venice | venice/fp8 | 200K | $1.54 | $4.84 | 98.56% | - | fp8 | - |
| Fireworks | fireworks | 203K | $1.40 | $4.40 | 98.52% | - | - | - |
| StreamLake | streamlake/fp8 | 200K | $0.966 | $3.04 | 97.69% | - | fp8 | - |
| AtlasCloud | atlas-cloud/fp8 | 203K | $1.26 | $3.96 | 97.17% | - | fp8 | - |
| SiliconFlow | siliconflow/fp8 | 205K | $1.19 | $3.74 | 94.85% | - | fp8 | - |
| Novita | novita/fp8 | 205K | $1.38 | $4.40 | 94.83% | - | fp8 | - |
| GMICloud | gmicloud/fp8 | 203K | $0.980 | $3.08 | 92.09% | - | fp8 | - |
| Nebius | nebius/fp8 | 203K | $1.40 | $4.40 | 90.63% | - | fp8 | - |
| Phala | phala | 203K | $1.21 | $4.20 | 83.58% | - | - | - |
| DigitalOcean | digitalocean | 66K | $0.975 | $4.30 | 83.36% | - | - | - |
| Together | together | 203K | $1.40 | $4.40 | 78.37% | - | - | - |
| Chutes | chutes/fp8 | 203K | $0.980 | $3.08 | 68.09% | - | fp8 | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #10 | English | - | 1487 | 11,025 | |
| #12 | Coding | - | 1524 | 6,267 | |
| #12 | Industry Software And It Services | - | 1513 | 9,032 | |
| #13 | Hard Prompts English | - | 1504 | 7,539 | |
| #15 | Longer Query | - | 1487 | 9,922 | |
| #16 | Creative Writing | - | 1458 | 3,872 | |
| #16 | Industry Entertainment And Sports And Media | - | 1448 | 4,763 | |
| #16 | Industry Life And Physical And Social Science | - | 1491 | 3,802 | |
| #16 | Multi Turn | - | 1486 | 3,752 | |
| #17 | Hard Prompts | - | 1496 | 14,873 | |
| #18 | Chinese | - | 1516 | 1,323 | |
| #18 | Industry Writing And Literature And Language | - | 1458 | 5,693 | |
| #18 | Japanese | - | 1453 | 204 | |
| #19 | French | - | 1492 | 763 | |
| #19 | Math | - | 1476 | 1,238 | |
| #20 | Instruction Following | - | 1465 | 7,651 | |
| #22 | Industry Medicine And Healthcare | - | 1488 | 1,703 | |
| #22 | Overall | - | 1472 | 22,689 | |
| #23 | Exclude Ties | - | 1480 | 17,268 | |
| #23 | Expert | - | 1499 | 2,117 | |
| #25 | Industry Mathematical | - | 1478 | 1,256 | |
| #27 | Industry Business And Management And Financial Operations | - | 1462 | 4,636 | |
| #27 | Industry Legal And Government | - | 1474 | 1,714 | |
| #27 | Russian | - | 1469 | 2,483 | |
| #28 | Non English | - | 1455 | 11,661 | |
| #30 | Korean | - | 1423 | 409 | |
| #34 | Polish | - | 1460 | 462 | |
| #39 | Spanish | - | 1454 | 829 | |
| #44 | German | - | 1449 | 317 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #9 | Webdev-html | - | 1520 | 652 | |
| #12 | Overall | - | 1523 | 4,589 | |
| #12 | Webdev | - | 1523 | 4,589 | |
| #12 | Webdev-react | - | 1520 | 3,934 |