GLM-5.2
Zhipu AI
Key facts · verified Oct 30, 2026
GLM-5.2 is a Zhipu AI model released on 16 Jun 2026. Its API price is $1.40 per million input tokens and $4.40 per million output tokens ($0.26 cached input). Its context window is 1M tokens. It ranks #38 on LMArena's text leaderboard (Elo 1475, read 1 Nov 2026). Source: docs.z.ai.
GLM-5.2 is a Zhipu AI model released through Z.ai on June 16, 2026, which Z.ai's developer docs describe as a foundation model for long-horizon tasks. It has a 1M-token context window, 128k maximum output and text-only input. Z.ai's model card lists 753 billion total parameters in a mixture-of-experts design, with open weights under the MIT licence, built for agentic coding, tool use and multi-file editing. Z.ai released GLM-5.3 on 18 August 2026.
Pricing & specs checkedSource: vendor documentation · checked Oct 30, 2026LMArena: 1475 Elo (rank 38, max effort) · source · retrieved Nov 1, 2026
Key Features
Long-Horizon Coding Agentic Tool Use Long Context Context Caching Open Weights (MIT)
Full Specifications
$1.40 / $4.40 per million tokens | |
|---|---|
| Identity | |
| Developer | Zhipu AI |
| Released | Jun 2026 |
| Status | GA |
| Licence | Open weights (MIT) |
| Self-hostable | Yes |
| Cost | |
| Blended $/1M tokensinput × 0.75 + output × 0.25 | $2.150 / 1M tokens |
| Input price | $1.400 / 1M tokens |
| Output price | $4.400 / 1M tokens |
| Cached input | $0.26 / 1M tokens (cache storage listed as limited-time free) |
| Batch discount | Not offered |
| Free tier | Not offered |
| Capacity | |
| Context window | 1M tokens |
| Max output | 128k tokens |
| Long-context surcharge | None (flat rate across the 1M window) |
| Capability | |
| Vision in | No |
| Audio in | No |
| Function calling | Yes |
| Structured output | Yes |
| Extended reasoning | Yes |
| Web search | Yes |
| Code execution | Not offered |
| Access | |
| API | Yes |
| Chat app | Yes |
| Cloud marketplaces | Azure AI Foundry (via Fireworks AI) |
| Fine-tuning | Not offered |
| Measured quality | |
| LMArena Elo | 1475 (checked Nov 2026) |
| LMArena rank | Rank 38 |
| GPQA Diamond | 92 |
| SWE-bench Verified | 79 |
| Elo per dollarLMArena Elo ÷ blended $/1M tokens | 686 |