#270 Hy4 preview
low
Provider returned error
- Cost
- $0.000
- Time
- 1.1s
- Tokens
- 0 tok
Tencent
Release: 2026-08-29
Tested on: 2026-08-29 14:28
tencent/hy4-preview::low
770B total (49B active)MoEOpen source
(low)
(none)
Summary
Hy4 preview scores 4.3 on AI BENCHY and ranks #270. It has 1.6 reliability, a 45.5% pass rate, $1.433 total cost, and 189.47s average response time.
What makes Hy4 preview unique: It uses unusually many reasoning tokens, which can help explain its slower or more expensive runs.
Model facts
Researched on 2026-08-29
- Parameters
- 770B total (49B active)
- Architecture
- MoE
- Availability
- Open source
- License
- Apache-2.0
Vendor-reported backbone counts exclude the native 10B total / 0.7B active MTP layer used for speculative decoding.
4.3
Consistency
5.0
1.6
$1.433
Total Output Tokens
559,131
Total Input Tokens
41,319
Input Price
$0.834 / 1M
Output Price
$2.501 / 1M
Cache Read Price
N/A
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
13
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.
Run history
| Tested on | Score | Reliability | Tests Correct | Total Cost | Compare |
|---|---|---|---|---|---|
| 2026-08-29 15:57 Re-test | 5.1 | 3.6 | $1.681 | Compare | |
| 2026-08-29 14:28 Initial run | 4.3 | 1.6 | $1.433 | Current run |
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 |
|---|---|---|---|
| Anti-AI Tricks | 4.2 | 1.6 | |
| Coding | 3.4 | 1.6 | |
| Combined | 2.9 | 5.8 | |
| Data parsing and extraction | 7.3 | 5.8 | |
| Domain specific | 3.6 | 7.2 | |
| General Intelligence | 2.8 | 1.6 | |
| Instructions following | 9.8 | 10.0 | |
| Puzzle Solving | 4.3 | 4.1 | |
| Tool Calling | 3.0 | 10.0 | |
| Trivia | 3.0 | 10.0 |