Z.ai (GLM)

GLM 4.6

z-ai/glm-4.6
Model weightsReleased Sep 30, 2025Open Weights
ThinkingToolsopen weights

Compared with GLM-4.5, this generation brings several key improvements: Longer context window: The context window has been expanded from 128K to 200K tokens, enabling the model to handle more complex...

Cost / 1M tokens

Low usage

$0.55

input

$0.11

cached input

$2.20

output

Context Window

205K

Up to 131K max output

Modalities

text → text

Other tokenizer

Quickstart & API

z-ai/glm-4.6
Open the model picker in ChatOSS Desktop (Code, Kanban, or Chat) and select or paste this model ID.

Best for & Strengths

Key Strengths

Open weightsExtended reasoningTool & agent callingLong context window

Recommended Workloads in ChatOSS

  • Coding agents
  • Complex reasoning & debugging
  • Open-source AI workflows
Available in ChatOSS Code, Kanban Orchestrate, and Chat modes via Plus, Max, or BYOK.

Verified Evaluations

Benchmarks & Frontier Comparison

How GLM 4.6 compares against leading open-weight and proprietary frontier models across independent agentic coding and reasoning suites.

View full Top 40 Leaderboard →
Benchmark (Metric)GLM 4.6DeepSeek V4.1 FlashGLM 5.3Kimi K3.1 ProClaude Opus 5.5
Agentic & Software Engineering
ChatOSS Agentic Coding Index (%)—63.2%58.3%65%74.1%
SWE-Bench Verified (%)—91.5%95.4%94.8%97%
DeepSWE v1.1 (Pass@1 %)—77%69%73.5%74.2%
Vibe Code Bench v1.1 (%)—87.7%78.1%88.4%90.3%
Terminal-Bench 4.0 (%)—42.3%42%46.2%65.2%
Code Migration (%)—45.6%44.2%52%66.7%
Intelligence & Token Economics
Artificial Analysis Intelligence Index (0–100)18.539.544.855.157.6
Input Price (/ 1M tokens)$0.55$0.15$1.40$2.00$4.00
Output Price (/ 1M tokens)$2.20$0.60$4.40$10.00$20.00

Artificial Analysis Intelligence Index

Artificial Analysis

18.5

Design Arena: ANDROIDNATIVE

Design Arena · Rank #30 (52.6% win)

1086 Elo

Design Arena: FULLSTACK

Design Arena · Rank #38 (42.3% win)

1029 Elo

Design Arena: GODOTGAMEDEV

Design Arena · Rank #17 (53.2% win)

1180 Elo

Design Arena: MOBILEAPPS

Design Arena · Rank #38 (47.2% win)

1096 Elo

Active Provider Endpoints (5)

Upstream inference providers serving GLM 4.6, with per-provider pricing, context limits, quantization, and 24-hour uptime.

ProviderInput / 1MOutput / 1MCache Read / 1MContextMax OutputQuantizationUptime (24h)
DeepInfracache
deepinfra/fp4/flex
$0.40$1.60$0.08203K131Kfp4—
Venicecache
venice/fp4
$0.43$1.75$0.08198K16Kfp499.9%
DeepInfracache
deepinfra/fp4
$0.50$2.00$0.10203K131Kfp4100.0%
Novitacache
novita/bf16
$0.55$2.20$0.11205K131Kbf1699.9%
Z.AIcache
z-ai/fp4
$0.60$2.20$0.11203K131Kfp499.3%

Supported API Parameters

Parameters accepted by this model when called through ChatOSS or OpenRouter.

frequency_penaltyinclude_reasoninglogit_biasmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

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