- Score
- 9.4 (+2.90 points)
- Total Cost (Current Price)
- $0.183 · 59.6% cheaper
- Response Time (avg)
- 6.24s · 43.8% faster
Z.ai
Release: 2026-04-07
Tested on: 2026-10-01 00:00
z-ai/glm-5.1::none
744B total (40B active)MoEOpen source
(medium)
(none)
Summary
GLM 5.1 scores 6.5 on AI BENCHY and ranks #203. It has 10.0 reliability, a 47.8% pass rate, $0.451 total cost, and 11.10s average response time.
What makes GLM 5.1 unique: It stands out most in Agentic, where it ranks #1, while Anti-AI Tricks is its weakest area at #16.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 9.6 (+3.10 points)
- Total Cost (Current Price)
- $0.460 · 1.8% costlier
- Response Time (avg)
- 7.15s · 35.6% faster
- Score
- 6.8 (+0.35 points)
- Total Cost (Current Price)
- $0.039 · 91.5% cheaper
- Response Time (avg)
- 6.66s · 40.0% faster
Model facts
Researched on 2026-08-12
- Parameters
- 744B total (40B active)
- Architecture
- MoE
- Availability
- Open source
- License
- MIT
6.5
Consistency
8.2
10.0
Total Output Tokens
20,076
Total Input Tokens
258,956
Input Price
$1.400 / 1M
Output Price
$4.400 / 1M
Cache Read Price
$0.260 / 1M
Cache Write Price
N/A
Cache prices apply to input tokens. Reads reuse cached prompts; writes store them and can cost extra. Output tokens use the output price.
Flaky tests
5
Flaky tests had mixed outcomes across runs (at least one pass and one fail).
Hamster playing table tennis
Prompt: Create a detailed SVG illustration of a hamster playing table tennis.
#203 GLM 5.1
none
Reached the allocated time limit (300 seconds) without receiving showcase output.
- Cost
- $0.000
- Time
- 300.0s
- Tokens
- 0 tok
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-10-01 00:00 Re-test | 6.5 | 10.0 | $0.451 ↑ | Current run | |
| 2026-07-16 21:16 New test added | 5.5 | 10.0 | $0.164 ↓ | Compare | |
| 2026-06-04 13:04 New test added | 5.7 | 10.0 | $0.058 ↓ | Compare | |
| 2026-05-21 23:41 Suite changed | 5.6 | 10.0 | $0.057 | Compare | |
| 2026-05-08 13:04 Suite changed | 5.7 | 10.0 | $0.053 | Compare | |
| 2026-05-08 13:04 Suite changed | 5.7 | 10.0 | $0.053 | Compare | |
| 2026-04-22 12:55 First recorded run | 5.6 | N/A | $0.053 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Price History
Historical pricing data for this model from OpenRouter.
| Date | Input Price | Output Price | Cache Read Price | Cache Write Price |
|---|---|---|---|---|
| 2026-06-04 15:40 | $0.980 / 1M | $3.080 / 1M | N/A | N/A |
| 2026-06-30 21:25 | $0.975 / 1M | $4.301 / 1M | N/A | N/A |
| 2026-07-08 21:00 | $0.966 / 1M | $3.036 / 1M | N/A | N/A |
| 2026-08-05 23:12 | $0.952 / 1M | $2.992 / 1M | N/A | N/A |
| 2026-08-14 12:51 | $1.400 / 1M | $4.400 / 1M | N/A | N/A |
| 2026-10-03 09:03 | $1.400 / 1M | $4.400 / 1M | $0.260 / 1M | N/A |
Charts
Choose the first model, then click a second model to open a side-by-side page.
Top Models by Score
Score vs Total Cost
Response Time (avg)
Score vs Response Time (avg)
Total Output Tokens
Score vs Total Output Tokens
Quick Compare
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 10.0 | 10.0 | |
| Anti-AI Tricks | 4.0 | 6.3 | |
| Coding | 3.9 | 9.7 | |
| Combined | 2.8 | 1.8 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 5.3 | 7.2 | |
| General Intelligence | 5.0 | 10.0 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 7.7 | 10.0 | |
| Tool Calling | 10.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |