Glimmer Index
Plus $4/mo

GLM-4.6

Z.ai · Released Sep 30, 2025 · Open weights

Late GLM-4 workhorse for coding agents, reasoning, and structured tasks

Strongest at
Writing
Better than 43% of the past year's models · 2 of 4 benchmarks
Price per 1M tokens
$0.6 / $2.2
input / output · Zai
Context window
204.8K
tokens in · 131.1K out
Since the last one
50 days
after GLM-4.5V
Lab announcement ↗Open in the timeline

Capability profile

Where it lands among 91 models released in the past year. 50 is the average model.

This modelEvery model from the past year
Coding
No results yet
Writing
54Better than 43%
Reading & documents
No results yet
Reasoning
No results yet
Math
No results yet
Science
No results yet
Visual reasoning
No results yet
Computer use
No results yet
Where these scores come from

Each capability combines the published benchmarks listed here, rescaled so 50 is the reference average and 15 points is one standard deviation. A hollow marker rests on a single benchmark.

Price against capability

The shaded corner holds anything better and cheaper. Prices blend input and output 3 to 1.

3 models from the past year score higher on Writing for less: Muse Glimmer 30B, DeepSeek V4 Flash Vision Exp, DeepSeek V4.1 Flash.

$0.3$1$3$10204060Kimi K3.1 Pro: 70, $4 per 1MClaude Haiku 5.5: 46, $0.2 per 1MMistral Large 4: 41, $2.06 per 1MGemini 4 Argon: 63, $4 per 1MGPT-6.1 Sol: 64, $4 per 1MClaude Sonnet 5.5: 55, $4 per 1MGPT-6 Sol: 61, $4 per 1MGPT-6 Luna: 22, $0.2 per 1MClaude Opus 5.5: 65, $8 per 1MGrok 4.7: 64, $3 per 1MDeepSeek V4.1 Flash: 56, $0.21 per 1MGPT-6 Astra: 69, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 65, $1.5 per 1MClaude Fable 5.1: 69, $20 per 1MGLM-5.3-Flash: 15, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 56, $0.32 per 1MQwen3.8 27B: 52, $1.12 per 1MGLM-5.3: 65, $2.15 per 1MGemini 3.7 Flash: 61, $1.5 per 1MDeepSeek V4 Pro 0813: 49, $0.99 per 1MQwen3.8 2.4T A95B: 62, $3 per 1MGrok 4.6: 44, $3 per 1MMuse Glimmer 30B: 59, $0.52 per 1MMuse Spark 1.2: 62, $2 per 1MQwen3.8 Max: 57, $3 per 1MDeepSeek V4 Flash 0731: 52, $0.15 per 1MClaude Opus 5: 64, $10 per 1MGemini 3.6 Flash: 63, $1.5 per 1MGemini 3.5 Flash Lite: 53, $0.85 per 1MKimi K3: 64, $6 per 1MGPT-5.6 Terra: 57, $4.5 per 1MGPT-5.6 Sol: 65, $8 per 1MGPT-5.6 Luna: 53, $0.45 per 1MGrok 4.5: 44, $3 per 1MClaude Sonnet 5: 57, $4 per 1MGLM-5.2: 55, $2.15 per 1MKimi K2.7 Code: 23, $1.71 per 1MClaude Fable 5: 68, $20 per 1MClaude Opus 4.8: 62, $10 per 1MQwen3.7 Max: 48, $3.75 per 1MGemini 3.5 Flash: 56, $3.38 per 1MDeepSeek V4 Pro: 54, $1.19 per 1MDeepSeek V4 Flash: 52, $0.18 per 1MGPT-5.5: 64, $11.2 per 1MQwen3.6 27B: 16, $1.35 per 1MKimi K2.6: 56, $1.71 per 1MQwen3.6 Max Preview: 44, $2.92 per 1MGrok 4.3: 29, $1.56 per 1MGrok Build 0.1: 43, $1.25 per 1MClaude Opus 4.7: 61, $10 per 1MMuse Spark 1.1: 58, $2 per 1MGLM-5.1: 56, $2.15 per 1MGemma 4 31B IT: 54, $0.25 per 1MGemma 4 26B A4B IT: 51, $0.14 per 1MQwen3.6 Plus: 31, $1.12 per 1MGPT-5.4 nano: 49, $0.46 per 1MGPT-5.4 mini: 52, $1.69 per 1MGPT-5.4: 63, $5.62 per 1MGemini 3.1 Flash Lite Preview: 43, $0.56 per 1MQwen3.5 35B-A3B: 39, $0.69 per 1MQwen3.5 27B: 52, $0.82 per 1MQwen3.5 122B-A10B: 47, $1.1 per 1MGemini 3.1 Pro Preview: 57, $4.5 per 1MClaude Sonnet 4.6: 57, $6 per 1MQwen3.5 397B-A17B: 59, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 56, $10 per 1MKimi K2.5: 62, $1 per 1MGLM-4.7: 58, $1 per 1MGemini 3 Flash Preview: 49, $1.12 per 1MGPT-5.2 Codex: 46, $4.81 per 1MGPT-5.2: 59, $4.81 per 1MMistral Large 3: 38, $0.75 per 1MMinistral 3 14B: 28, $0.2 per 1MDeepSeek V3.2: 49, $0.32 per 1MKimi K2 Thinking: 61, $1.07 per 1MGLM-4.6: 54, $1 per 1MGLM-4.6Price per 1M tokens →↑ Writing$1$10204060Kimi K3.1 Pro: 70, $4 per 1MClaude Haiku 5.5: 46, $0.2 per 1MMistral Large 4: 41, $2.06 per 1MGemini 4 Argon: 63, $4 per 1MGPT-6.1 Sol: 64, $4 per 1MClaude Sonnet 5.5: 55, $4 per 1MGPT-6 Sol: 61, $4 per 1MGPT-6 Luna: 22, $0.2 per 1MClaude Opus 5.5: 65, $8 per 1MGrok 4.7: 64, $3 per 1MDeepSeek V4.1 Flash: 56, $0.21 per 1MGPT-6 Astra: 69, $20 per 1MMuse Spark 1.3: 65, $2 per 1MGemini 3.8 Flash: 65, $1.5 per 1MClaude Fable 5.1: 69, $20 per 1MGLM-5.3-Flash: 15, $0.24 per 1MDeepSeek V4 Flash Vision Exp: 56, $0.32 per 1MQwen3.8 27B: 52, $1.12 per 1MGLM-5.3: 65, $2.15 per 1MGemini 3.7 Flash: 61, $1.5 per 1MDeepSeek V4 Pro 0813: 49, $0.99 per 1MQwen3.8 2.4T A95B: 62, $3 per 1MGrok 4.6: 44, $3 per 1MMuse Glimmer 30B: 59, $0.52 per 1MMuse Spark 1.2: 62, $2 per 1MQwen3.8 Max: 57, $3 per 1MDeepSeek V4 Flash 0731: 52, $0.15 per 1MClaude Opus 5: 64, $10 per 1MGemini 3.6 Flash: 63, $1.5 per 1MGemini 3.5 Flash Lite: 53, $0.85 per 1MKimi K3: 64, $6 per 1MGPT-5.6 Terra: 57, $4.5 per 1MGPT-5.6 Sol: 65, $8 per 1MGPT-5.6 Luna: 53, $0.45 per 1MGrok 4.5: 44, $3 per 1MClaude Sonnet 5: 57, $4 per 1MGLM-5.2: 55, $2.15 per 1MKimi K2.7 Code: 23, $1.71 per 1MClaude Fable 5: 68, $20 per 1MClaude Opus 4.8: 62, $10 per 1MQwen3.7 Max: 48, $3.75 per 1MGemini 3.5 Flash: 56, $3.38 per 1MDeepSeek V4 Pro: 54, $1.19 per 1MDeepSeek V4 Flash: 52, $0.18 per 1MGPT-5.5: 64, $11.2 per 1MQwen3.6 27B: 16, $1.35 per 1MKimi K2.6: 56, $1.71 per 1MQwen3.6 Max Preview: 44, $2.92 per 1MGrok 4.3: 29, $1.56 per 1MGrok Build 0.1: 43, $1.25 per 1MClaude Opus 4.7: 61, $10 per 1MMuse Spark 1.1: 58, $2 per 1MGLM-5.1: 56, $2.15 per 1MGemma 4 31B IT: 54, $0.25 per 1MGemma 4 26B A4B IT: 51, $0.14 per 1MQwen3.6 Plus: 31, $1.12 per 1MGPT-5.4 nano: 49, $0.46 per 1MGPT-5.4 mini: 52, $1.69 per 1MGPT-5.4: 63, $5.62 per 1MGemini 3.1 Flash Lite Preview: 43, $0.56 per 1MQwen3.5 35B-A3B: 39, $0.69 per 1MQwen3.5 27B: 52, $0.82 per 1MQwen3.5 122B-A10B: 47, $1.1 per 1MGemini 3.1 Pro Preview: 57, $4.5 per 1MClaude Sonnet 4.6: 57, $6 per 1MQwen3.5 397B-A17B: 59, $1.35 per 1MGLM-5: 60, $1.55 per 1MClaude Opus 4.6: 56, $10 per 1MKimi K2.5: 62, $1 per 1MGLM-4.7: 58, $1 per 1MGemini 3 Flash Preview: 49, $1.12 per 1MGPT-5.2 Codex: 46, $4.81 per 1MGPT-5.2: 59, $4.81 per 1MMistral Large 3: 38, $0.75 per 1MMinistral 3 14B: 28, $0.2 per 1MDeepSeek V3.2: 49, $0.32 per 1MKimi K2 Thinking: 61, $1.07 per 1MGLM-4.6: 54, $1 per 1MGLM-4.6Price per 1M tokens →↑ Writing

OpenRouter $0.55 / $2.2 · Zai $0.6 / $2.2 · Cached input $0.11

Since GLM-4.5V

9 releases in the GLM-5.3 line.

GLM-4.5Jul 28, 202514dGLM-4.5VAug 11, 202550dGLM-4.6Sep 30, 202569dGLM-4.6VDec 8, 202514dGLM-4.7Dec 22, 202552dGLM-5Feb 12, 202654dGLM-5.1Apr 7, 2026
Released50 days later
Price in / out$0.6 / $2.2+11%
Context204.8K3.2×

A newer release is out: GLM-5.3.

Epoch benchmark boards

Best result on each board it has run. The tick marks the leader.

Terminal Bench
24%#44 of 50

Z.ai's past year

12 release days in the past year, about one every 30 days. The next is expected around Nov 21, 2026. Forecasts ↗

NovDecJanFebMarAprMayJunJulAugSepOctNov

Specifications

RELEASE DATESep 30, 2025
WEIGHTSOpen weights
CONTEXT WINDOW204.8K
MAX OUTPUT131.1K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext
OUTPUTStext

Models.dev record ↗

Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.