- Score
- 9.4 (+1.82 points)
- Total Cost (Current Price)
- $0.183 · 88.2% cheaper
- Response Time (avg)
- 6.24s · 90.6% faster
Z.ai
Release: 2026-04-07
Tested on: 2026-10-01 00:07
z-ai/glm-5.1::medium
744B total (40B active)MoEOpen source
(medium)
(none)
Summary
GLM 5.1 scores 7.5 on AI BENCHY and ranks #123. It has 9.2 reliability, a 66.7% pass rate, $1.546 total cost, and 66.38s average response time.
What makes GLM 5.1 unique: It stands out most in General Intelligence, where it ranks #1, while Coding is its weakest area at #17.
Recommended alternatives
We recommend choosing one of these models instead:
- Score
- 8.3 (+0.72 points)
- Total Cost (Current Price)
- $0.047 · 97.0% cheaper
- Response Time (avg)
- 18.07s · 72.8% faster
- Score
- 7.4 (-0.12 points)
- Total Cost (Current Price)
- $0.065 · 95.8% cheaper
- Response Time (avg)
- 9.64s · 85.5% faster
Model facts
Researched on 2026-08-12
- Parameters
- 744B total (40B active)
- Architecture
- MoE
- Availability
- Open source
- License
- MIT
7.5
Consistency
8.4
9.2
Total Output Tokens
248,708
Total Input Tokens
331,577
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
4
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.
#123 GLM 5.1
medium
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 00:07 Re-test | 7.5 | 9.2 | $1.546 ↑ | Current run | |
| 2026-07-16 21:29 New test added | 7.1 | 8.3 | $0.535 ↓ | Compare | |
| 2026-06-04 13:06 New test added | 7.3 | 6.7 | $0.292 ↓ | Compare | |
| 2026-05-21 23:46 Suite changed | 7.4 | 3.3 | $0.286 | Compare | |
| 2026-05-08 14:41 Suite changed | 7.6 | 0.0 | $0.209 | Compare | |
| 2026-05-08 14:41 Suite changed | 7.6 | 0.0 | $0.209 | Compare | |
| 2026-04-22 12:55 First recorded run | 7.8 | N/A | $0.201 | Compare |
This run used a different benchmark suite. Keep suite changes in mind when reading historical movement.
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-10-01 00:07 · Current run | 69/69 attempts | 7.5 | 8.4 | 9.2 | 13/23 | 4 | 248,708 | 331,577 | $1.546 | 66.38s |
| 2026-07-16 21:29 · New test added | 66/66 attempts | 7.1 | 8.4 | 8.3 | 13/22 | 4 | 152,552 | 82,623 | $0.535 | 46.77s |
| Difference | — | +0.4 | 0.0 | +0.9 | 0 | 0 | +96156 | +248954 | +$1.012 | +19608ms |
Benchmark coverage differs: 69/69 attempts (Target: 3 repeats per test) versus 66/66 attempts (Target: 3 repeats per test). Totals and repeat-sensitive metrics are not directly comparable.
These two runs used different benchmark suites, so the deltas reflect both model changes and suite changes.
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.
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Category Breakdown
| Category | Score | Consistency | Tests Correct |
|---|---|---|---|
| Agentic | 10.0 | 10.0 | |
| Anti-AI Tricks | 10.0 | 10.0 | |
| Coding | 4.6 | 3.7 | |
| Combined | 9.8 | 10.0 | |
| Data parsing and extraction | 10.0 | 10.0 | |
| Domain specific | 3.0 | 10.0 | |
| General Intelligence | 10.0 | 10.0 | |
| Instructions following | 6.4 | 5.8 | |
| Puzzle Solving | 8.2 | 7.2 | |
| Tool Calling | 3.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |