Benchmark scores
Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.
LLM Comparison
DeepSeek V4.1 Flash vs Hy4 Preview: benchmark scores, pricing & comparison.
Side-by-side DeepSeek V4.1 Flash vs Hy4 Preview comparison across SWE-bench, GPQA, HLE, Terminal-Bench, coding agent scores, token pricing, context window, and AskClash RWT. Green marks the winner on each benchmark.
Verdict: DeepSeek V4.1 Flash ranks higher (#25 vs #30); DeepSeek V4.1 Flash costs less ($0.15/$0.60 vs $0.83/$2.50 per 1M tokens).
Rank #25 vs #30AskClash overall scores 54.1 vs 51.4.
Pricing $0.15/$0.60 vs $0.83/$2.50Input and output token prices per 1M tokens when published.
API vs Open WeightDeepSeek vs Tencent.
DeepSeek V4.1 Flash vs Hy4 Preview benchmark comparison
Green cells highlight the winning model for each metric. Scores are cached from the AskClash LLM leaderboard snapshot.
| Metric | DeepSeek V4.1 Flash | Hy4 Preview |
|---|---|---|
| Overall Score | 54.1 | 51.4 |
| Leaderboard Rank | #25 | #30 |
| ACB | 63.0 | — |
| RWT | — | 8.5 |
| Coding Agent Index | 47.3 | — |
| HLE | 36.8 | 43.4 |
| GPQA | 90.9 | 92.3 |
| SWE-Pro | — | 65.7 |
| SWE-Atlas | 61.0 | — |
| Terminal-Bench | 26.8 | — |
| DeepSWE | 74.2 | 64.3 |
| GDPval-AA | — | 1678.0 |
| MCP Atlas | — | 83.7 |
| Finance Agent | 65.4 | 61.6 |
| Input Price (per 1M tokens) | $0.15 | $0.83 |
| Output Price (per 1M tokens) | $0.60 | $2.50 |
| Context Window | 1M | 1M |
| Benchmarks Published | 8 | 7 |
DeepSeek V4.1 Flash vs Hy4 Preview head-to-head charts
DeepSeek V4.1 Flash leads 3 and Hy4 Preview leads 2 of 5 shared benchmarks. DeepSeek V4.1 Flash is cheaper on a defined 1M-input / 200K-output workload. Charts show only benchmarks both models publish.
DeepSeek V4.1 FlashHy4 Preview
Overall
HLE
GPQA
DeepSWE
Finance Agent
DeepSeek V4.1 Flash
Input$0.15
Output$0.60
Workload$0.27
Context1M
Hy4 Preview
Input$0.83
Output$2.50
Workload$1.33
Context1M
Workload = published cost of 1M input + 200K output tokens. Open the live leaderboard for interactive compare charts.
More DeepSeek V4.1 Flash and Hy4 Preview comparisons
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How to read this comparison
Token pricing
Lower is better for input and output prices. Green marks the cheaper model per 1M tokens.
Coverage matters
Models with fewer disclosed benchmark cells may have inflated percentile scores. Check the benchmark cell count for context.
This comparison page is generated from the AskClash LLM leaderboard cache. Open the live leaderboard for real-time scores and interactive filtering.