#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
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 |
Run comparison
| Run | Benchmark coverage | Score | Consistency | Reliability | Tests Correct | Flaky tests | Total Output Tokens | Total Input Tokens | Total Cost | Response Time (avg) |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-29 14:28 · Initial run | 66/66 attempts | 4.3 | 5.0 | 1.6 | 3/22 | 13 | 559,131 | 41,319 | $1.433 | 189.47s |
| 2026-08-29 15:57 · Re-test | 66/66 attempts | 5.1 | 6.9 | 3.6 | 3/22 | 8 | 657,320 | 44,207 | $1.681 | 211.58s |
| Difference | — | -0.7 | -1.9 | -2.0 | 0 | +5 | -98189 | -2888 | -$0.248 | -22114ms |
Charts
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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 |