Coding GLM 5.1
Z.AI · text → text
Only supports OpenAI-compatible formats.
Input$0.06 /M
Output$0.22 /M
← ModelsCoding GLM 5.1GLM 5.2
Coding GLM 5.1 vs GLM 5.2
Output tokens cost $0.22 per million on Coding GLM 5.1 and $3.94 per million on GLM 5.2. Input tokens cost $0.06 per million on Coding GLM 5.1 and $1.13 per million on GLM 5.2. Cached input tokens are billed at $0.06 per million on Coding GLM 5.1 and $0.28 per million on GLM 5.2. On the LMArena coding leaderboard Coding GLM 5.1 scores 1524 and GLM 5.2 scores 1505.
Coding GLM 5.1GLM 5.2+ Add model · 2/4
GLM 5.2
Z.AI · text → text
GLM-5.2 is Z.ai’s flagship model for the era of long-horizon tasks. With a truly usable 1M-token context window, it can handle project-level engineering context, execute long-running tasks more reliably, follow engineering standards more consistently, and complete the full development workflow from requirements to multi-platform deployment in a single task.
Input$1.13 /M
Output$3.94 /M
Pricing & Specifications
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Coding GLM 5.1
GLM 5.2
Input /M
$0.06
$1.13
Output /M
$0.22
$3.94
Cache read /M
$0.06
$0.28
Context length
0
1,000,000
Max output
0
128,000
Time to First Token
-
0.6 s
Throughput
-
46.0 tok/s
Modalities
text
text
Supported Parameters
thinkingtoolsfunction callingstructured outputs
thinkingtoolsfunction callingstructured outputs
API Formats
chat_completions · claude_api
Released
-
June 16, 2026
Promotional prices show the discounted rate; see each model page for promotion windows.
Activity Past 30 Days
Daily traffic served through AIHubMix — how demand for each model is trending.
coding-glm-5.1glm-5.2
Tokens / day
-
Requests / day
-
Performance Past 3 Days
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
coding-glm-5.1glm-5.2
Throughput (tok/s)
-
TTFT (s)
-
Uptime (%)
-
LMArena Benchmarks
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Text
coding-glm-5.1glm-5.2
1420146015001540
Overall
14701472
Coding
15051524
Math
14751476
Hard prompts
14881496
Instruction following
14621465
Multi-turn
14701487
Creative writing
14501458
Longer query
14791487
Chinese
15161516
English
14771487
WebDev Arena
coding-glm-5.1glm-5.2
1500154015801620
Overall
15231582
React
15201594
HTML
15201537
Gaming
16171617
Simulations
16061606
Data analytics
15421542
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Cost calculator
Estimate your monthly bill for the same workload on each model.
Coding GLM 5.1
$6.90 /mo
GLM 5.2
$127 /mo
Monthly = daily × 30. Discounted rates applied where a promotion is active.
FAQ
Which is cheaper: Coding GLM 5.1, GLM 5.2?
Coding GLM 5.1: $0.22/M output tokens; GLM 5.2: $3.94/M. Use the cost calculator above to estimate your own workload.
How do their coding arena scores compare?
Coding GLM 5.1: 1524; GLM 5.2: 1505 (LMArena coding leaderboard).
What inputs and capabilities does each model support?
Coding GLM 5.1 accepts text input and supports thinking, tool calling, function calling and structured outputs; GLM 5.2 accepts text input and supports thinking, tool calling, function calling and structured outputs.
Can I call Coding GLM 5.1 and GLM 5.2 with the same API key?
Yes. AIHubMix serves every model on this page behind one OpenAI-compatible endpoint, so switching between them is a one-line change to the model field — no second account, key or SDK.
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