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Hy3 preview vs Kimi K2 0905

How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Hy3 preview and Kimi K2 0905.

Tencent

Hy3 preview

Hy3 preview is a high-efficiency Mixture-of-Experts model from Tencent designed for agentic workflows and production use. It supports configurable reasoning levels across disabled, low, and high modes, allowing it to...

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Moonshot AI

Kimi K2 0905

Kimi K2 0905 is the September update of [Kimi K2 0711](moonshotai/kimi-k2). It is a large-scale Mixture-of-Experts (MoE) language model developed by Moonshot AI, featuring 1 trillion total parameters with 32...

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Technical Specifications

SpecificationHy3 previewKimi K2 0905
ProviderTencentMoonshot AI
Context Window262,144 tokens262,144 tokens
Agent SuitabilityN/AN/A
Time to First Token (TTFT)N/AN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2026-04-222025-09-04

API Pricing Comparison

Input Price per Million Tokens

Hy3 preview

$0.06

Kimi K2 0905

$0.60

Output Price per Million Tokens

Hy3 preview

$0.21

Kimi K2 0905

$2.50

Want to test both models live?

Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.

Benchmark Performance Metrics

Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.

MMLUGeneral knowledge & multi-task understanding
8350.0%vsN/A
Hy3 preview
Kimi K2 0905
HumanEvalPython coding & logic synthesis
8400.0%vsN/A
Hy3 preview
Kimi K2 0905
MATHComplex mathematical problem solving
5900.0%vsN/A
Hy3 preview
Kimi K2 0905
GPQAGraduate-level expert reasoning
4200.0%vsN/A
Hy3 preview
Kimi K2 0905
HellaSwagCommonsense reasoning and inference
8480.0%vsN/A
Hy3 preview
Kimi K2 0905
MT-BenchMulti-turn conversation flow quality
882.0%vsN/A
Hy3 preview
Kimi K2 0905

Hy3 preview Quirks & Gotchas

No developer gotchas reported.

Kimi K2 0905 Quirks & Gotchas

No developer gotchas reported.