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
#6
Across all subsets · overall
Total arena votes
98,196
Across 30 (subset, category) entries
Providers on OR
19
Friendli + others
First seen
2026-05-08
26 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.980
- Output (per 1M)
- $3.08
- Cache Read (per 1M)
- $0.182
Capabilities
Modality
text->textContext
203K tokens
Tokenizer
Other
Max output
131K tokens
Moderation
Unmoderated
Hugging Face
Supported parameters
frequency_penalty
include_reasoning
logit_bias
logprobs
max_tokens
min_p
parallel_tool_calls
presence_penalty
reasoning
reasoning_effort
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 | 99.74% | - | fp4 | - |
| SiliconFlow | siliconflow/fp8 | 205K | $1.40 | $4.40 | 99.71% | - | fp8 | - |
| StreamLake | streamlake | 200K | $1.19 | $3.74 | 99.57% | - | - | - |
| GMICloud | gmicloud/fp8 | 203K | $1.12 | $3.52 | 99.53% | - | fp8 | - |
| Baidu | baidu/fp8 | 203K | $0.980 | $3.08 | 99.48% | - | fp8 | - |
| Novita | novita/fp8 | 205K | $1.38 | $4.40 | 99.41% | - | fp8 | - |
| Z.AI | z-ai | 203K | $1.40 | $4.40 | 98.95% | - | - | - |
| Fireworks | fireworks | 203K | $1.40 | $4.40 | 98.39% | - | - | - |
| Venice | venice/fp8 | 200K | $1.75 | $5.50 | 98.26% | - | fp8 | - |
| AtlasCloud | atlas-cloud/fp8 | 203K | $1.26 | $3.96 | 98.13% | - | fp8 | - |
| Ambient | ambient/fp8 | 203K | $1.40 | $4.40 | 98.08% | - | fp8 | - |
| Inceptron | inceptron/fp8 | 203K | $1.40 | $4.40 | 96.79% | - | fp8 | - |
| Io Net | io-net/fp8 | 203K | $1.30 | $4.20 | 95.94% | - | fp8 | - |
| BaseTen | baseten/fp4 | 203K | $1.30 | $4.30 | 95.64% | - | fp4 | - |
| Chutes | chutes/fp8 | 203K | $1.20 | $4.00 | 93.00% | - | fp8 | - |
| Together | together | 203K | $1.40 | $4.40 | 92.77% | - | - | - |
| Phala | phala | 203K | $1.21 | $4.20 | 91.17% | - | - | - |
| Parasail | parasail/fp8 | 203K | $1.40 | $4.40 | 88.97% | - | fp8 | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #6 | Coding | - | 1527 | 3,756 | |
| #7 | Hard Prompts English | - | 1506 | 4,396 | |
| #8 | English | - | 1487 | 6,673 | |
| #8 | Industry Life And Physical And Social Science | - | 1498 | 2,300 | |
| #8 | Industry Software And It Services | - | 1512 | 5,541 | |
| #12 | Hard Prompts | - | 1499 | 8,788 | |
| #12 | Industry Entertainment And Sports And Media | - | 1452 | 2,625 | |
| #12 | Longer Query | - | 1491 | 5,378 | |
| #13 | Creative Writing | - | 1457 | 2,209 | |
| #13 | Math | - | 1481 | 860 | |
| #14 | Expert | - | 1504 | 1,225 | |
| #15 | Chinese | - | 1519 | 843 | |
| #15 | Instruction Following | - | 1468 | 4,465 | |
| #16 | Industry Writing And Literature And Language | - | 1461 | 3,249 | |
| #16 | Multi Turn | - | 1484 | 2,258 | |
| #16 | Overall | - | 1474 | 13,957 | |
| #17 | Exclude Ties | - | 1485 | 10,241 | |
| #17 | Industry Mathematical | - | 1482 | 802 | |
| #19 | German | - | 1468 | 211 | |
| #19 | Industry Legal And Government | - | 1476 | 997 | |
| #20 | French | - | 1489 | 454 | |
| #26 | Russian | - | 1465 | 1,591 | |
| #26 | Spanish | - | 1463 | 464 | |
| #31 | Korean | - | 1418 | 284 | |
| #33 | Industry Business And Management And Financial Operations | - | 1456 | 2,800 | |
| #36 | Industry Medicine And Healthcare | - | 1478 | 997 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #6 | Overall | - | 1533 | 3,611 | |
| #6 | Webdev | - | 1533 | 3,611 | |
| #6 | Webdev-html | - | 1532 | 530 | |
| #6 | Webdev-react | - | 1527 | 3,080 |