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Comparison of Hy4-preview, Perplexity: Decider Flash Latest
2 modelstencentHy4-previewRemove ×perplexityPerplexity: Decider Flash LatestRemove ×
What’s differentHy4 preview is a 770B-parameter Mixture-of-Experts flagship model from the Tencent Hy Team, with 49B parameters activated per token and a 1M-token context window. It uses Gated DeepSeek Sparse Attention…This model always redirects to the latest model in the Decider Flash family.
DateAug 27, 2026ListedOct 16, 2026Listed
Listed rate$0.834 in / $2.501 out/ 1M tokensdeepinfra · via Hugging Face · all routes ↗$0.01 in / $0.00 out/ 1M tokensOpenRouter · all routes ↗
Provider endpoints8 endpoints →1 endpoint →
Context window1M262.1K
Max output64K235.9K
Parameters——
Tool callingSupportedNot reported
Structured outputSupportedNot reported
Image inputNot reportedSupported
ReasoningSupportedNot reported
Prompt cachingSupportedNot reported
Open weightsSupportedNot reported

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