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.

Rank #14 vs #16AskClash overall scores 68.3 vs 67.6.
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.

MetricDeepSeek V4.1 FlashHy4 Preview
Overall Score68.367.6
Leaderboard Rank#14#16
ACB63.0
RWT8.5
HLE36.843.4
GPQA90.992.3
SWE-Pro65.7
Terminal-Bench90.685.4
DeepSWE74.264.3
GDPval-AA1600.01678.0
MCP Atlas83.7
Finance Agent53.555.1
MMMU-Pro77.0
Input Price (per 1M tokens)$0.15$0.83
Output Price (per 1M tokens)$0.60$2.50
Context Window1M1M
Benchmarks Published118

DeepSeek V4.1 Flash vs Hy4 Preview head-to-head charts

DeepSeek V4.1 Flash leads 3 and Hy4 Preview leads 4 of 7 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
68.3DeepSeek V4.1 Flash
67.6Hy4 Preview
HLE
36.8DeepSeek V4.1 Flash
43.4Hy4 Preview
GPQA
90.9DeepSeek V4.1 Flash
92.3Hy4 Preview
Terminal-Bench
90.6DeepSeek V4.1 Flash
85.4Hy4 Preview
DeepSWE
74.2DeepSeek V4.1 Flash
64.3Hy4 Preview
GDPval-AA
1600.0DeepSeek V4.1 Flash
1678.0Hy4 Preview
Finance Agent
53.5DeepSeek V4.1 Flash
55.1Hy4 Preview
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

Explore how DeepSeek V4.1 Flash and Hy4 Preview stack up against other top-ranked LLMs.

How to read this comparison

Benchmark scores

Higher is better for all benchmark scores (SWE-bench, GPQA, HLE, Terminal-Bench, etc.). Green marks the model with the higher score.

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.