Model Comparison

Claude 3 Haiku vs Kimi K3Which is better in 2026?

Kimi K3 significantly outperforms across most benchmarks. Claude 3 Haiku is 12.0x cheaper per token.

Verdict: Claude 3 Haiku vs Kimi K3 — which is better?

Claude 3 Haiku (by Anthropic) and Kimi K3 (by Moonshot AI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

Claude 3 Haiku outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA). Kimi K3 significantly outperforms across most benchmarks.

On price, Claude 3 Haiku is roughly 12.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Kimi K3 also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.

Choose Claude 3 Haiku if…

  • cost matters — it's about 12.0x cheaper per token

Choose Kimi K3 if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Jul 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Claude 3 Haiku outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA).

Kimi K3 significantly outperforms across most benchmarks.

Sat Jul 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Claude 3 Haiku costs less

For input processing, Claude 3 Haiku ($0.25/1M tokens) is 12.0x cheaper than Kimi K3 ($3.00/1M tokens).

For output processing, Claude 3 Haiku ($1.25/1M tokens) is 12.0x cheaper than Kimi K3 ($15.00/1M tokens).

In conclusion, Kimi K3 is more expensive than Claude 3 Haiku.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Jul 18 2026 • llm-stats.com
Anthropic
Claude 3 Haiku
Input tokens$0.25
Output tokens$1.25
Best providerAnthropic
Moonshot AI
Kimi K3
Input tokens$3.00
Output tokens$15.00
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Kimi K3 accepts 1,048,576 input tokens compared to Claude 3 Haiku's 200,000 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Claude 3 Haiku is limited to 200,000 tokens.

Anthropic
Claude 3 Haiku
Input200,000 tokens
Output200,000 tokens
Moonshot AI
Kimi K3
Input1,048,576 tokens
Output1,048,576 tokens
Sat Jul 18 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Claude 3 Haiku and Kimi K3 support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Claude 3 Haiku

Text
Images
Audio
Video

Kimi K3

Text
Images
Audio
Video

Release Timeline

When each model was launched

Claude 3 Haiku was released on 2024-03-13, while Kimi K3 was released on 2026-07-16.

Kimi K3 is 29 months newer than Claude 3 Haiku.

Claude 3 Haiku

Mar 13, 2024

2.3 years ago

Kimi K3

Jul 16, 2026

2 days ago

2.3yr newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

Claude 3 Haiku is available from Anthropic, Bedrock, Google. Kimi K3 is available from Moonshot AI.

Claude 3 Haiku

anthropic logo
Anthropic
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
bedrock logo
AWS Bedrock
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M
google logo
Google
Input Price:Input: $0.25/1MOutput Price:Output: $1.25/1M

Kimi K3

moonshot logo
Unknown Organization
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Less expensive input tokens
Less expensive output tokens
Moonshot AI
Larger context window (1,048,576 tokens)
Has open weights
Higher GPQA score (93.5% vs 33.3%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude 3 Haiku and Kimi K3 side-by-side, then vote on the output you prefer.

Claude 3 Haiku
✓ Preferred
Kimi K3
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude 3 Haiku
Moonshot AI
Kimi K3

FAQ

Common questions about Claude 3 Haiku vs Kimi K3.

Which is better, Claude 3 Haiku or Kimi K3?

Kimi K3 significantly outperforms across most benchmarks. Claude 3 Haiku is made by Anthropic and Kimi K3 is made by Moonshot AI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude 3 Haiku compare to Kimi K3 in benchmarks?

Claude 3 Haiku scores ARC-C: 89.2%, GSM8k: 88.9%, HellaSwag: 85.9%, DROP: 78.4%, HumanEval: 75.9%. Kimi K3 scores MathVision: 97.8%, DeepSearchQA: 95.0%, GPQA: 93.5%, CharXiv-R: 91.3%, BrowseComp: 91.2%.

Is Claude 3 Haiku cheaper than Kimi K3?

Claude 3 Haiku is 12.0x cheaper for input tokens. Claude 3 Haiku costs $0.25/M input and $1.25/M output via anthropic. Kimi K3 costs $3.00/M input and $15.00/M output via moonshot.

What are the context window sizes for Claude 3 Haiku and Kimi K3?

Claude 3 Haiku supports 200K tokens and Kimi K3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude 3 Haiku and Kimi K3?

Key differences include context window (200K vs 1.0M), input pricing ($0.25 vs $3.00/M), licensing (Proprietary vs Unknown). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude 3 Haiku and Kimi K3?

Claude 3 Haiku is developed by Anthropic and Kimi K3 is developed by Moonshot AI.

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