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Claude Haiku 4.5 vs Kimi K2 (0905)

At a glance

Fast and efficient with near-frontier intelligence.

75200K ctx$1.00/$5.00 per M#41/92

September 2025 checkpoint of Kimi K2 with improved capabilities.

262K ctx$0.60/$2.50 per M
Demos
All demos

No shared demos for these models yet.

AI Output
All AI outputs

No captured outputs for these models yet.

Benchmarks
See rankings
Reasoning
CodingInsufficient data
Sources:Epoch ECI·Epoch AI·OpenRouter· as of 2026-07-10
Capability
CapabilityECI75.3
Reasoning & Knowledge
Graduate Science60.5%
Math
Math Problems86.9%Competition Math35.8%Research Math4.1%
Agentic
Terminal Tasks29.8%Novel Reasoning1.3%
CodingInsufficient data
AgenticInsufficient data
ReasoningInsufficient data
MathInsufficient data
Sources:OpenRouter
Cheaper46%
Capability
Capability—
Reasoning & Knowledge
Graduate Science—
Math
Math Problems—Competition Math—Research Math—
Agentic
Terminal Tasks—Novel Reasoning—
Specs
200K
Context
64K
Max output
Oct 2025
Released
262K
Context
100K
Max output
Sep 2025
Released
Capabilities
Vision
Audio
Reasoning
Vision
Audio
Reasoning
Pricing
Live pricing, shown before you run
Input$1.00/M tokens
Output$5.00/M tokens
Cache read$0.10/M tokens
Cache write$1.25/M tokens
Web search$0.01/search
Live pricing, shown before you run
Input40%$0.60/M tokens
Output50%$2.50/M tokens
Chat with Claude Haiku 4.5Go to model
Chat with Kimi K2 (0905)Go to model
Frequently Asked Questions: Claude Haiku 4.5 vs Kimi K2 (0905)▼

Which is better, Claude Haiku 4.5 or Kimi K2 (0905)?

▼

Both Claude Haiku 4.5 and Kimi K2 (0905) are capable AI models. The best choice depends on your specific use case: consider pricing, context window, speed, and which capabilities (vision, reasoning, audio) you need.

Which is cheaper, Claude Haiku 4.5 or Kimi K2 (0905)?

▼

Kimi K2 (0905) has a lower blended cost. Claude Haiku 4.5: $1.00 input / $5.00 output. Kimi K2 (0905): $0.60 input / $2.50 output.

Which has a larger context window, Claude Haiku 4.5 or Kimi K2 (0905)?

▼

Kimi K2 (0905) has a larger context window: Claude Haiku 4.5 supports 200K tokens vs Kimi K2 (0905) at 262K tokens.

Do both Claude Haiku 4.5 and Kimi K2 (0905) support vision?

▼

Claude Haiku 4.5 supports vision/image input, but Kimi K2 (0905) does not.

What are the key differences between Claude Haiku 4.5 and Kimi K2 (0905)?

▼

Key differences: only Claude Haiku 4.5 supports vision input; only Claude Haiku 4.5 offers extended reasoning mode. Compare full specs on this page.

Which model should I choose for my use case?

▼

If cost is your priority, choose the cheaper option. If you need the highest intelligence for complex tasks, pick the higher-scoring model. For long documents or codebases, choose the larger context window. You can try both Claude Haiku 4.5 and Kimi K2 (0905) for free on idapt.app to see which performs better for your specific needs.

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