Clinical Benchmarks

Hy4 Preview

Released 28 Aug 2026$0.83 input, $2.5 output per million tokens1M context770B A49BopenAlso written as tencent/hy4-previewCompare with other models

Clinical Benchmarks Index
59.1rank 46 of 148; 72.4 × 0.816 = 59.1, from 2 of 10 boards
Boards
2 of 13
Results
2
Latest measurement
Sep 2026

Results

Each line is placed on its own board. Dark tick: the board leader.

Documentation and coding

  1. MedScribe (Vals AI)
    model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000
    83.60
    Rank 42 of 105Leader Claude Opus 5.5 91.43
    Official leaderboard
    Measured Sep 2026
  2. MedCode (Vals AI)
    model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000
    43.25
    Rank 44 of 103Leader Claude Opus 5 63.57
    Official leaderboard
    Measured Sep 2026

Sources

Open a line for the quote and page.

  1. 42MedScribe (Vals AI) model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000 83.60
    Printed as 83.60%Official leaderboard, measured Sep 2026Configuration: model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000
    Vals AI MedScribe leaderboard official leaderboard, Vals AI, 3 Sep 2026. Vals AI MedScribe leaderboard, View: All Models, Task: Overall, row 42 of 105 (Hy4 Preview), Accuracy column; Updated 9/29/2026. Rendered BenchmarkView table; configuration from embedded astro-island BenchmarkView props, benchmarkView.default.tasks.overall["tencent/hy4-preview"].
    42 | Hy4 Preview | 83.60%±2.06 | $0.834/$2.501 | 5m50s
    Every result from this document
  2. 44MedCode (Vals AI) model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000 43.25
    Printed as 43.25%Official leaderboard, measured Sep 2026Configuration: model ID tencent/hy4-preview; temperature=1; top_p=1; max_output_tokens=64000
    Vals AI MedCode leaderboard official leaderboard, Vals AI, 29 Sep 2026. MedCode leaderboard, Overall task, All Models expanded, rank 44 of 103; Accuracy column; board Updated 9/29/2026. Rendered table row; configuration from embedded BenchmarkView props benchmarkView.default.tasks.overall["tencent/hy4-preview"].
    44 | Hy4 Preview | 43.25%±2.13 | $0.834/$2.501 | 6m39s
    Every result from this document