Z.ai: GLM 5.2
Released Jun 16, 2026Try it on:
GLM 5.2 is a large-scale reasoning model from Z.ai. It supports text input and output with a 1M-token context window, and is suited for long-horizon agent workflows, project-level software engineering,...
Best overall rank
#2
Across all subsets · overall
Total arena votes
73,752
Across 29 (subset, category) entries
Providers on OR
27
WandB + others
First seen
2026-06-17
21 days tracked
Trend
Pricing
Per token
- Input (per 1M)
- $0.930
- Output (per 1M)
- $3.00
- Cache Read (per 1M)
- $0.180
Capabilities
Modality
text->textContext
1M tokens
Tokenizer
Other
Max output
33K 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 |
|---|---|---|---|---|---|---|---|---|
| WandB | wandb/fp4 | 262K | $1.39 | $4.40 | 99.98% | - | fp4 | - |
| Wafer | wafer/fast | 1M | $3.00 | $10.25 | 99.94% | - | fp4 | - |
| Alibaba | alibaba | 1M | $1.32 | $4.14 | 99.90% | - | - | - |
| StreamLake | streamlake/fp8 | 1M | $1.26 | $3.96 | 99.83% | - | fp8 | - |
| AtlasCloud | atlas-cloud/fp8 | 1M | $1.26 | $3.96 | 99.79% | - | fp8 | - |
| Z.AI | z-ai/fp8 | 1M | $1.40 | $4.40 | 99.78% | - | fp8 | - |
| Fireworks | fireworks/fast | 1M | $2.10 | $6.60 | 99.77% | - | - | - |
| SiliconFlow | siliconflow/fp8 | 1M | $1.30 | $4.09 | 99.75% | - | fp8 | - |
| Baidu | baidu/fp8 | 1M | $1.12 | $3.96 | 99.69% | - | fp8 | - |
| Novita | novita/fp8 | 1M | $0.980 | $3.08 | 99.47% | - | fp8 | - |
| Parasail | parasail/fp4 | 262K | $1.40 | $4.40 | 99.42% | - | fp4 | - |
| Wafer | wafer/fp4 | 1M | $1.20 | $4.10 | 99.39% | - | fp4 | - |
| Together | together | 262K | $1.40 | $4.40 | 99.36% | - | - | - |
| Fireworks | fireworks | 1M | $1.40 | $4.40 | 99.28% | - | - | - |
| AkashML | akashml/fp8 | 224K | $1.30 | $4.40 | 98.86% | - | fp8 | - |
| DeepInfra | deepinfra/fp4 | 1M | $0.930 | $3.00 | 98.26% | - | fp4 | - |
| Ambient | ambient/fp8 | 101K | $1.40 | $4.40 | 97.75% | - | fp8 | - |
| Venice | venice/fp8 | 1M | $1.40 | $4.40 | 97.44% | - | fp8 | - |
| Io Net | io-net/fp8 | 262K | $1.45 | $4.54 | 97.44% | - | fp8 | - |
| GMICloud | gmicloud/fp8 | 1M | $0.980 | $3.08 | 96.89% | - | fp8 | - |
| Phala | phala | 1M | $1.40 | $4.40 | 96.72% | - | - | - |
| Morph | morph | 1M | $1.10 | $4.10 | 96.36% | - | - | - |
| Inceptron | inceptron/fp4 | 1M | $0.970 | $3.08 | 96.21% | - | fp4 | - |
| Cloudflare | cloudflare | 262K | $1.40 | $4.40 | 95.10% | - | - | - |
| DigitalOcean | digitalocean | 262K | $1.05 | $4.40 | 93.51% | - | - | - |
| Decart | decart/fp4 | 1M | $1.20 | $4.20 | 81.49% | - | fp4 | - |
| Friendli | friendli | 1M | $1.40 | $4.40 | 79.19% | - | - | - |
Per-category ranks
Text
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #4 | Spanish | harness: max | 1490 | 306 | |
| #8 | Industry Life And Physical And Social Science | harness: max | 1503 | 1,566 | |
| #17 | Industry Medicine And Healthcare | harness: max | 1491 | 717 | |
| #18 | French | harness: max | 1494 | 347 | |
| #19 | Instruction Following | harness: max | 1466 | 3,116 | |
| #20 | Hard Prompts English | harness: max | 1496 | 3,078 | |
| #20 | Industry Mathematical | harness: max | 1486 | 507 | |
| #21 | Coding | harness: max | 1515 | 2,520 | |
| #21 | English | harness: max | 1479 | 4,545 | |
| #21 | Expert | harness: max | 1500 | 892 | |
| #22 | Chinese | harness: max | 1509 | 477 | |
| #23 | Longer Query | harness: max | 1481 | 4,136 | |
| #24 | Industry Writing And Literature And Language | harness: max | 1455 | 2,425 | |
| #24 | Math | harness: max | 1472 | 474 | |
| #25 | Russian | harness: max | 1470 | 914 | |
| #26 | Exclude Ties | harness: max | 1475 | 6,912 | |
| #26 | Hard Prompts | harness: max | 1490 | 6,018 | |
| #26 | Industry Legal And Government | harness: max | 1476 | 744 | |
| #26 | Overall | harness: max | 1469 | 9,338 | |
| #31 | Creative Writing | harness: max | 1445 | 1,732 | |
| #31 | Industry Entertainment And Sports And Media | harness: max | 1438 | 2,230 | |
| #31 | Non English | harness: max | 1452 | 4,788 | |
| #32 | Industry Software And It Services | harness: max | 1500 | 3,580 | |
| #38 | Industry Business And Management And Financial Operations | harness: max | 1458 | 1,862 | |
| #46 | Multi Turn | harness: max | 1464 | 1,484 |
WebDev
| Rank | Category | Variant | Trend | Elo | Votes |
|---|---|---|---|---|---|
| ★ #2 | Overall | harness: max | 1584 | 3,015 | |
| ★ #2 | Webdev | harness: max | 1584 | 3,015 | |
| ★ #2 | Webdev-react | harness: max | 1588 | 2,606 | |
| #7 | Webdev-html | harness: max | 1534 | 408 |