GLM 5
ModelOpen sourceActiveby Z.ai (Zhipu AI) · family “glm”
GLM-5 is Z.ai’s flagship open-source foundation model engineered for complex systems design and long-horizon agent workflows. Built for expert developers, it delivers production-grade performance on large-scale programming tasks, rivaling leading... (description from the OpenRouter listing)
in: textout: textReasoningTool useStructured output
Epoch Capabilities Index
145.8 #74 of 268
90% CI 143.7 – 147.7
Released
11 Feb 2026
Context window
205K tokens
Max output
128K tokens
Input $ / 1M tokens
$0.60
Output $ / 1M tokens
$1.92
Cached input $ / 1M
$0.12
Each benchmark shown separately with its own source
Benchmark results (12)
| Benchmark | Domain | Score | vs best recorded | Setting | Run | Source |
|---|---|---|---|---|---|---|
| CL-bench | long-context | 18.7% | 67% | — | — | External ↗ |
| Chess Puzzles | games | 10.0% ±3.0 | 14% | — | 12 Feb 2026 | Eval log ↗ |
| FrontierMath-Tier-4-2025-07-01-Privatesuperseded | math | 2.1% ±2.1 | 4% | — | 19 Feb 2026 | Epoch ↗ |
| Terminal Bench | agents | 52.4% ±2.6 | 62% | agent: Terminus 2 | 11 Feb 2026 | External ↗ |
| ARC-AGI-2 | reasoning | 4.9% | 5% | — | — | External ↗ |
| FrontierMath-2025-02-28-Privatesuperseded | math | 16.4% ±2.2 | 31% | — | 19 Feb 2026 | Epoch ↗ |
| WeirdML | coding | 48.2% ±0.0 | 51% | — | — | External ↗ |
| OTIS Mock AIME 2024-2025 | math | 80.0% ±6.0 | 80% | — | 12 Feb 2026 | Eval log ↗ |
| SimpleBench | reasoning | 53.2% | 65% | — | — | External ↗ |
| SWE-Bench verified | coding | 72.1% ±2.1 | 86% | — | 15 Feb 2026 | Eval log ↗ |
| GPQA diamond | science | 87.8% ±2.3 | 92% | — | 12 Feb 2026 | Eval log ↗ |
| ARC-AGI | reasoning | 44.7% | 45% | — | — | External ↗ |
Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.
API list price over time
Price history
$ per 1M tokens
8 recorded prices on 3 Mar 2026 (OpenRouter listing + Internet Archive snapshots); re-read on every data refresh, most recently 7h ago. Steps show when the price changed.
Events
- Open releaseZ.ai releases GLM 5Epoch AI Benchmarking Hub