Model

Hunyuan-TurboS

CLOSED

Tencent · Hunyuan family · released Feb 27, 2025

First industry-deployed ultra-large Hybrid Transformer-Mamba MoE (560B/56B-active) fast-thinking model with adaptive CoT; ranked top-7 on LMSYS Chatbot Arena (1356).

ReasoningCodingVisionFunction callingTool useAgentic

1306.0

Elo · rank #154

Parameters

560B

Active params

56B (MoE)

Context

256K tokens

Architecture

Hybrid Transformer-Mamba2 MoE, 128 layers with AMF/MF block pattern (560B total / 56B active)

License

Proprietary

Languages

—

API price (in/out)

$0.12 / $0.3

Modalities

text

Benchmark results

Bar shows position within the tracked field; marker = field best

AIMEMath40.0%#125

best: GPT-5.2 · 100.0%

AlpacaEvalHuman preference76.0%#5

best: Tülu 2+DPO 70B · 95.1%

Arena-HardHuman preference91.9%#7

best: Qwen3-235B-A22B (Non-Thinking) · 96.1%

Arena EloHuman preference1356#29

best: Claude Fable 5 · 1505

BIG-Bench HardReasoning90.8%#5

best: ERNIE 4.5 300B-A47B · 94.3%

C-EvalKnowledge88.1%#17

best: Qwen3.6-Plus · 93.3%

CMMLUKnowledge89.4%#5

best: Doubao-1.5-Pro · 90.9%

DROPReasoning89.8#8

best: Hunyuan-T1 · 93.1

GPQA DiamondReasoning62.1%#156

best: GPT-5.6 · 94.6%

GSM8KMath94.4%#17

best: Llama 3.1 405B · 96.8%

HumanEvalCoding89.0%#24

best: Claude Opus 4.5 · 99.4%

IFEvalReasoning87.6%#38

best: Gemma 4 26B A4B · 98.5%

LiveCodeBenchCoding43.0%#130

best: DeepSeek-V4-Pro (Think Max) · 93.5%

MATH-500Math90.0%#47

best: GPT-5 · 99.4%

MMLU-ProKnowledge78.0%#66

best: Claude Fable 5 · 91.5%

MMLUKnowledge85.8%#52

best: OpenAI o3 · 92.9%

MT-BenchHuman preference9.3#4

best: Hunyuan-Large (A52B) · 9.4

Run it locally

Closed weights — available via API only. No local deployment.

Input / M tok

$0.12

Output / M tok

$0.3

Hunyuan family

Elo progression across releases

Hunyuan (1st-gen)Sep 20231000.0 Hunyuan-Large (A52B)Nov 20241072.5 Hunyuan-TurboSFeb 20251306.0 Hunyuan-T1Mar 20251631.0 Hunyuan-A13BJun 20251517.1 Hy3Jul 20262485.4

Resources

GHTencent-Hunyuan/Hunyuan-TurboS DOCSarxiv.org/abs/2505.15431 APIAvailable via Tencent API

API price $0.12/$0.3 · each benchmark row carries its own source badge (see methodology)