in the loop

Hy4 preview
Not scored yet.

TencentAug 28, 2026Open weights

Capabilities Index

Not run yet

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Context

Takes text

1.05M

Input

Per 1M tokens

$0.83

Output

Per 1M tokens

$2.50

Benchmarks

No independent scores yet.

Epoch AI hasn't run Hy4 preview yet. Its scores show up here the morning after they do.

On the index

The top of the index.

  1. #1Claude Opus 5.5Anthropic · $4.00 in167.3
  2. #2GPT-6 AstraOpenAI · $10 in166.4
  3. #3GPT-6.1 SolOpenAI · $2.00 in166.1
  4. #4Claude Sonnet 5.5Anthropic · $2.00 in165.0
  5. #5Claude Fable 5.1Anthropic · $10 in164.7
  6. #6Claude Opus 5Anthropic · $5.00 in162.8

Sources