MDL
GLM-5.1
Z AI
Verified against Artificial Analysis · Jul 13, 2026
Capability
90
percentile index
Price /M
$1.4 / $4.4
in / out
Context
202.8K
tokens
Avg score
62.6
7 benchmarks
AA Intelligence
40.2
index
Speed
75 tok/s
TTFT 0.9s
Released
Apr 7, 2026
About
GLM-5.1 is a open-weights model in the GLM family from Z AI. Benchmarked on 7 evals, averaging 62.6.
Benchmark scores · 7
avg 62.6 — higher is betterThe research behind this model
all papers mentioning it →K-BrowseComp: A Web Browsing Agent Benchmark Grounded in Korean Contexts▲ 55 on HF · Jun 1, 2026ChLogic: Evaluating Robustness of Logical Reasoning in Chinese Expressions▲ 8 on HF · Jun 16, 2026
Mentions matched by name in title/abstract — from the arXiv + HF daily corpus.
Performance & price
Output speed75 tok/s
Latency (TTFT)0.9s
First answer51s
Price in / out$1.4 / $4.4 per 1M
Blended price$2.15 / 1M
Coding index55.8
Median across API providers, via Artificial Analysis. Blended = 3:1 input:output. For reasoning models, latency includes thinking time. Methodology →
History
full ledger →Capability over time
Append-only ledger — every observed change to this model's numbers.
API providers
Artificial Analysis$4.4/M