GLM 5.1
by Z.aitext->text15 endpoints
Neura Intelligence Index
68.0/ 100
Rank
#95—
Confidence
mediumBenchmarks
6(15% coverage)
Overview
GLM-5.1 delivers a major leap in coding capability, with particularly significant gains in handling long-horizon tasks. Unlike previous models built around minute-level interactions, GLM-5.1 can work independently and continuously on...
Capabilities
Text generation
Tool use / Function calling
Structured output
Extended reasoning
Prompt caching
Long context
Top-P sampling
Stop sequences
Deterministic seed
Log probabilities
Modalities
Input
Text
Output
Text
Technical Specifications
Context Window
204.8K tokens
Max Output
128K tokens
Tokenizer
Other
Uptime (24h)
9999.5%
Parameters
754000000000B
License
mitOpen Weights
Country
🇨🇳CN
Release Date
April 7, 20265mo
Supported Parameters
frequency_penaltyinclude_reasoninglogit_biaslogprobsmax_tokensmin_ppresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_logprobstop_p
Benchmark Performance
coding
| Benchmark | Score | Source |
|---|---|---|
| SWE-Bench Pro | 58.4 | verified |
reasoning
| Benchmark | Score | Source |
|---|---|---|
| GPQA Diamond | 86.2 | verified |
| Humanity's Last Exam | 52.3 | verified |
agent
| Benchmark | Score | Source |
|---|---|---|
| BrowseComp | 79.3 | verified |
| MCP Atlas | 71.8 | verified |
| Toolathlon | 40.7 | verified |
Performance Over Time
Pricing
Per 1M tokens
Input$0.97
Output$3.04
Cache read$0.18
Added
April 7, 2026
Last synced 9/19/2026