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
#11
▼ 2 vs 7d ago
Total arena votes
115,126
Across 30 (subset, category) entries
Providers on OR
19
BaseTen + others
First seen
2026-05-08
45 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.980
- Output (per 1M)
- $3.08
- Cache Read (per 1M)
- $0.490
Capabilities
Modality
text->textContext
203K tokens
Tokenizer
Other
Max output
66K 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 |
|---|---|---|---|---|---|---|---|---|
| BaseTen | baseten/fp4 | 203K | $1.30 | $4.30 | 100.00% | - | fp4 | - |
| DeepInfra | deepinfra/fp4 | 203K | $1.05 | $3.50 | 99.98% | - | fp4 | - |
| Friendli | friendli | 203K | $1.40 | $4.40 | 99.97% | - | - | - |
| SiliconFlow | siliconflow/fp8 | 205K | $1.19 | $3.74 | 99.93% | - | fp8 | - |
| Wafer | wafer/fp4 | 203K | $1.00 | $3.20 | 99.91% | - | fp4 | - |
| Baidu | baidu/fp8 | 203K | $0.980 | $3.08 | 99.90% | - | fp8 | - |
| StreamLake | streamlake/fp8 | 200K | $0.980 | $3.08 | 99.88% | - | fp8 | - |
| AtlasCloud | atlas-cloud/fp8 | 203K | $1.26 | $3.96 | 99.87% | - | fp8 | - |
| Parasail | parasail/fp8 | 203K | $1.40 | $4.40 | 99.70% | - | fp8 | - |
| Z.AI | z-ai/fp8 | 203K | $1.40 | $4.40 | 99.65% | - | fp8 | - |
| Inceptron | inceptron/fp8 | 203K | $1.40 | $4.40 | 99.45% | - | fp8 | - |
| Venice | venice/fp8 | 200K | $1.75 | $5.50 | 99.28% | - | fp8 | - |
| GMICloud | gmicloud/fp8 | 203K | $0.980 | $3.08 | 99.13% | - | fp8 | - |
| Fireworks | fireworks | 203K | $1.40 | $4.40 | 98.66% | - | - | - |
| Together | together | 203K | $1.40 | $4.40 | 97.98% | - | - | - |
| Chutes | chutes/fp8 | 203K | $0.980 | $3.08 | 96.11% | - | fp8 | - |
| Phala | phala | 203K | $1.21 | $4.20 | 96.01% | - | - | - |
| Novita | novita/fp8 | 205K | $1.38 | $4.40 | 88.24% | - | fp8 | - |
| Ambient | ambient/fp8 | 203K | $1.40 | $4.40 | 86.24% | - | fp8 | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #9 | Coding | - | 1529 | 4,538 | |
| #9 | Industry Software And It Services | - | 1515 | 6,586 | |
| #10 | English | - | 1487 | 7,784 | |
| #12 | Creative Writing | - | 1462 | 2,561 | |
| #12 | Industry Entertainment And Sports And Media | - | 1454 | 3,132 | |
| #13 | Hard Prompts English | - | 1505 | 5,337 | |
| #13 | Industry Life And Physical And Social Science | - | 1496 | 2,685 | |
| #14 | Longer Query | - | 1491 | 6,830 | |
| #15 | Hard Prompts | - | 1499 | 10,530 | |
| #15 | Industry Writing And Literature And Language | - | 1465 | 3,826 | |
| #15 | Multi Turn | - | 1486 | 2,722 | |
| #15 | Overall | - | 1475 | 16,101 | |
| #16 | Chinese | - | 1519 | 1,003 | |
| #16 | Expert | - | 1505 | 1,438 | |
| #17 | Exclude Ties | - | 1484 | 12,411 | |
| #18 | Instruction Following | - | 1469 | 5,420 | |
| #21 | German | - | 1465 | 222 | |
| #21 | Math | - | 1474 | 966 | |
| #22 | French | - | 1489 | 560 | |
| #23 | Industry Mathematical | - | 1475 | 943 | |
| #25 | Industry Legal And Government | - | 1476 | 1,160 | |
| #26 | Russian | - | 1470 | 1,846 | |
| #32 | Industry Medicine And Healthcare | - | 1481 | 1,153 | |
| #33 | Industry Business And Management And Financial Operations | - | 1458 | 3,356 | |
| #37 | Spanish | - | 1452 | 577 | |
| #39 | Korean | - | 1413 | 312 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| #9 | Webdev | - | 1532 | 3,608 | |
| #9 | Webdev-html | - | 1528 | 544 | |
| #11 | Overall | - | 1529 | 3,760 | |
| #11 | Webdev-react | - | 1523 | 3,215 |