Tencent · Released Aug 28, 2026

Hy4 preview

Tencent: Hy4 preview is a mixture-of-experts model from Tencent, with 49B active parameters out of 770B total. It is designed for coding agents, complex tool-use workflows, and productivity tasks that...

ReasoningOpen weights
  • Top 20%ProofBench
Released
Aug 28 2026
Context window
1M 64K out
Input / 1M tokens
$0.83
Output / 1M tokens
$2.50

Where to run it

4 providers compared

All 4 providers charge the same: $0.83 / $2.50 per 1M input / output tokens.

ProviderInputOutputCache readContextMax outputUptimevs. best
DeepInfraFP4 $0.83 $2.50 $0.0421M131K100%24h Cheapest
NovitaFP8 $0.83 $2.50 $0.0421M64K100%24h Cheapest
TencentFP8 $0.83 $2.50 $0.0421M64K100%24h Cheapest
SiliconFlowFP8 $0.83 $2.50 $0.0421M262K99.9%24h Cheapest

Value

Price vs. performance

2 models score higher for the same price or lesson ProofBench, e.g. Claude Haiku 5.5.
3.0%35.3%67.7%100.0% $0.01$0.10$1.00$10.00 DeepSeek V4.1 Flash 1017 (DeepSeek) — 54.0% · $0.15/1M in Gemini 4 Argon (Google) — 99.0% · $2.00/1M in Step 5 Preview (StepFun) — 42.0% · $1.00/1M in Claude Haiku 5.5 (Anthropic) — 89.0% · $0.10/1M in Mistral Large 4 (Mistral) — 10.0% · $0.68/1M in GPT-6.1 Sol (OpenAI) — 99.0% · $2.00/1M in Claude Sonnet 5.5 (Anthropic) — 100.0% · $2.00/1M in GPT-6 Luna (OpenAI) — 64.0% · $0.10/1M in GPT-6 Sol (OpenAI) — 83.0% · $2.00/1M in Claude Opus 5.5 (Anthropic) — 100.0% · $4.00/1M in MiMo-V2.6-Flash (Xiaomi) — 63.0% · $0.14/1M in MiMo-V2.6-Pro (Xiaomi) — 70.0% · $0.43/1M in Grok 4.7 (xAI) — 26.0% · $2.00/1M in DeepSeek V4.1 Flash (DeepSeek) — 54.0% · $0.056/1M in GPT-6 Astra (OpenAI) — 99.0% · $10.00/1M in Qwen3.8 Max (0902) (Qwen) — 58.0% · $2.00/1M in Muse Spark 1.3 (Meta) — 58.0% · $1.25/1M in Gemini 3.8 Flash (Google) — 48.0% · $0.82/1M in Claude Fable 5.1 (Anthropic) — 100.0% · $10.00/1M in GLM 5.3 Flash (Z.ai) — 21.0% · $0.15/1M in GLM 5.3 (Z.ai) — 49.0% · $0.079/1M in Qwen3.8 27B (Qwen) — 16.0% · $0.04/1M in Gemini 3.7 Flash (Google) — 58.0% · $0.75/1M in DeepSeek V4 Pro 0813 (DeepSeek) — 50.0% · $0.66/1M in Grok 4.6 (xAI) — 51.0% · $2.00/1M in Muse Spark 1.2 (Meta) — 43.0% · $1.25/1M in DeepSeek V4 Flash 0731 (DeepSeek) — 56.0% · $0.44/1M in Claude Opus 5 (Anthropic) — 99.0% · $5.00/1M in Gemini 3.6 Flash (Google) — 36.0% · $0.75/1M in Gemini 3.5 Flash Lite (Google) — 13.0% · $0.30/1M in Kimi K3 (Moonshot AI) — 87.0% · $0.24/1M in Muse Spark 1.1 (Meta) — 39.0% · $1.25/1M in GPT-5.6 Luna (OpenAI) — 60.0% · $0.20/1M in GPT-5.6 Terra (OpenAI) — 74.0% · $2.00/1M in GPT-5.6 Sol (OpenAI) — 83.0% · $4.00/1M in Grok 4.5 (xAI) — 31.0% · $2.00/1M in Claude Sonnet 5 (Anthropic) — 77.0% · $2.00/1M in GLM 5.2 (Z.ai) — 35.0% · $0.62/1M in Claude Fable 5 (Anthropic) — 95.0% · $10.00/1M in MiniMax M3 (MiniMax) — 18.0% · $0.30/1M in Claude Opus 4.8 (Anthropic) — 69.0% · $5.00/1M in Qwen3.7 Max (Qwen) — 26.0% · $1.48/1M in Gemini 3.5 Flash (Google) — 31.0% · $1.50/1M in Grok 4.3 (xAI) — 11.0% · $1.25/1M in GPT-5.5 (OpenAI) — 50.0% · $5.00/1M in DeepSeek V4 Pro 0423 (DeepSeek) — 50.0% · $0.95/1M in DeepSeek V4 Flash 0423 (DeepSeek) — 56.0% · $0.091/1M in MiMo-V2.5-Pro (Xiaomi) — 22.0% · $0.43/1M in MiMo-V2.5 (Xiaomi) — 16.0% · $0.14/1M in Kimi K2.6 (Moonshot AI) — 16.0% · $0.65/1M in Claude Opus 4.7 (Anthropic) — 54.0% · $5.00/1M in GLM 5.1 (Z.ai) — 22.2% · $0.97/1M in MiniMax M2.7 (MiniMax) — 3.0% · $0.30/1M in GPT-5.4 Nano (OpenAI) — 5.0% · $0.20/1M in GPT-5.4 Mini (OpenAI) — 21.0% · $0.75/1M in GPT-5.4 (OpenAI) — 56.0% · $2.50/1M in Gemini 3.1 Pro Preview (Google) — 26.0% · $2.00/1M in Claude Sonnet 4.6 (Anthropic) — 45.0% · $3.00/1M in MiniMax M2.5 (MiniMax) — 4.0% · $0.27/1M in Claude Opus 4.6 (Anthropic) — 50.0% · $5.00/1M in GLM 4.7 (Z.ai) — 6.0% · $0.54/1M in Gemini 3 Flash Preview (Google) — 15.0% · $0.50/1M in GPT-5.2 (OpenAI) — 15.0% · $1.75/1M in GPT-5.1-Codex-Max (OpenAI) — 9.0% · $1.25/1M in Claude Opus 4.5 (Anthropic) — 36.0% · $5.00/1M in Claude Sonnet 4.5 (Anthropic) — 19.0% · $3.00/1M in GPT-5 (OpenAI) — 18.0% · $1.25/1M in GPT-5 Mini (OpenAI) — 9.0% · $0.25/1M in GPT-5 Nano (OpenAI) — 12.0% · $0.05/1M in Hy4 preview (Tencent) — 75.0% · $0.83/1M in Hy4 preview

Hy4 preview Other Tencent Other labs Value frontier · ProofBench vs. input price per 1M tokens (log scale) · Drag to pan, pinch or Ctrl + scroll to zoom, double-click to zoom in.

Benchmarks

1 benchmark score

BenchmarkScoreRankLeader
ProofBenchMaths · Graduate maths proofs verified in Lean 4 75.0% #14of 70 Claude Sonnet 5.5100.0%

Specs

Details

Model ID
tencent/hy4-preview
Developer
Tencent
Release date
Aug 28, 2026 ·
Context window
1,048,576 tokens
Max output
64,000 tokens
API price
$0.83 / $2.50 per 1M input / output tokens
Providers
4
Input types
text
Reasoning
Yes
Tool calling
Yes
Open weights
Yes
Free tier
No

Release date, prices and providers from OpenRouter's catalog; buying directly from a provider can cost a little differently. Uptime is the share of OpenRouter requests each provider served over the last day. Benchmark scores are the best result per benchmark from Epoch AI, licensed CC BY 4.0. Rank counts every model tracked here with a score.