What the evidence says
- Developer
- Z.ai
- Released
- February 17, 2026
- Domains
- Language
- Tasks
- Language modeling/generation
- Access
- Open weights (unrestricted)
- Weights
- Open weights
Across the boards
Each row is one named authority's own current view. Nothing is combined.
- LMArena overall
- 1456.7 · rank #44 · 27,789 battles · published July 20, 2026 · board
- LMArena coding arena
- 1497.5 · rank #55 · board
- LMArena creative writing arena
- 1445.2 · rank #33 · board
- LMArena instruction following arena
- 1446.8 · rank #47 · board
- LMArena hard prompts arena
- 1477.7 · rank #45 · board
- LMArena multi-turn arena
- 1472.7 · rank #39 · board
- LMArena long queries arena
- 1469.9 · rank #40 · board
- LMArena math arena
- 1442.9 · rank #59 · board
- LMArena web development arena
- 1435.9 · rank #23 · board
- EQ-Bench 3
- 1307.3 · rank #14
Benchmark results
Epoch AI Benchmarking Hub scores for this reviewed identity. Rows with a scaffold are system results, not bare-model results. Fraction-unit scores shown as percentages.
- Chess Puzzles
- 10.0%
- FrontierMath
- 16.4%
- FrontierMath Tier 4
- 2.1%
- GPQA Diamond
- 87.8%
- OTIS Mock AIME 2024-2025
- 80.0%
- SWE-bench Verified
- 72.1%
- Terminal-Bench
- 52.4% · Terminus 2
Platform facts
OpenRouter's platform listing, retrieved July 22, 2026. Routed platform prices, not first-party provider prices.
- Input price
- $0.95 per 1M tokens
- Output price
- $2.55 per 1M tokens
- Context length
- 204,800 tokens
- Listed on OpenRouter
- February 11, 2026
Common questions
What is GLM-5?
GLM-5 is a Z.ai model released February 17, 2026, according to Epoch AI's reviewed catalog record. The record classifies it under language.
How does GLM-5 rank on LMArena?
In the LMArena style-controlled text snapshot published July 20, 2026, GLM-5 holds official rank 44 with a rating of 1456.7 across 27,789 battles.
What does GLM-5 cost?
OpenRouter lists it at $0.95 per million input tokens and $2.55 per million output tokens, retrieved July 22, 2026. Those are the platform's routed prices, not first-party provider prices.