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Doubao Seed 2.0 Pro vs KIMI K2

Comprehensive comparison between ByteDance's Doubao Seed 2.0 Pro and Moonshot AI's KIMI K2. Compare pricing, performance, features, and user reviews.

doubao vs kimi豆包 vs kimiseed 2.0 vs kimi k2国产大模型

Doubao Seed 2.0 Pro

ByteDance

ByteDance's flagship foundation model, powering Doubao (China's #1 AI chatbot with 155M weekly users). Achieves frontier-level performance on math (AIME 98.3), coding (Codeforces 3020), and video understanding (VideoMME 89.5). Ranks 6th on LMSYS Text Arena and 3rd on Vision Arena. ~3.7x cheaper than GPT-5.2 on input, ~10x cheaper than Claude Opus 4.5.

$0.47/$2.37per M tokens
Details

KIMI K2

Moonshot AI

Moonshot AI's open-source flagship with top HLE and Live Codebench scores. HN users praise its agentic coding ability approaching Claude Haiku 4.5, making it the coding king among open-source models.

$0.56/$2.22per M tokens
Details

Specs Comparison

SpecificationDoubao Seed 2.0 ProKIMI K2
Context Window256K128K
Max Output128K32K
Input (per 1M tokens)$0.47$0.56
Output (per 1M tokens)$2.37$2.22
Reasoning
Open Source

Scenario Score Comparison

Coding
—
vs
88
Writing
—
vs
70
Translation
—
vs
80
Data Analysis
—
vs
75
Conversation
—
vs
75
Image Gen
—
vs
50

Doubao Seed 2.0 Pro

Pros

  • + Frontier math reasoning (AIME 98.3, IMO gold)
  • + Industry-leading video understanding (VideoMME 89.5)
  • + ~3.7x cheaper than GPT-5.2, ~10x cheaper than Claude
  • + Strong agentic capabilities (BrowseComp 77.3)
  • + 256K context with multimodal input
  • + Massive user base and production-hardened

Cons

  • − Code generation trails Claude Opus 4.5 (SWE-Bench 76.5 vs 80.9)
  • − Hallucination control weaker than Western models
  • − English optimization secondary to Chinese
  • − Limited availability outside China (needs Volcengine account)
  • − Near-zero brand recognition internationally

KIMI K2

Pros

  • + Open source & free
  • + Strong coding ability
  • + Top HLE score
  • + Good tool calling

Cons

  • − Smaller ecosystem
  • − Slightly weaker English
  • − Incomplete documentation

Recommendation

Choose Doubao Seed 2.0 Pro if you:

  • • Need frontier math reasoning (aime 98.3, imo gold)
  • • Need industry-leading video understanding (videomme 89.5)
  • • Need ~3.7x cheaper than gpt-5.2, ~10x cheaper than claude

Choose KIMI K2 if you:

  • • Need open source & free
  • • Need strong coding ability
  • • Need top hle score

Based on scores across 6 scenarios, KIMI K2 performs better overall.

Doubao Seed 2.0 Pro Details KIMI K2 Details

Get Started with Doubao Seed 2.0 Pro

1Visit the provider's website
2Create an account
3Start using the model

Get Started with KIMI K2

1Visit the provider's website
2Create an account
3Start using the model

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