Model Comparison
Claude 3.5 Haiku vs Kimi K3Which is better in 2026?
Kimi K3 significantly outperforms across most benchmarks. Claude 3.5 Haiku is 3.8x cheaper per token.
Verdict: Claude 3.5 Haiku vs Kimi K3 — which is better?
Claude 3.5 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 3.5 Haiku outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA). Kimi K3 significantly outperforms across most benchmarks.
On price, Claude 3.5 Haiku is roughly 3.8x 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 3.5 Haiku if…
- cost matters — it's about 3.8x 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
Claude 3.5 Haiku outperforms in 0 benchmarks, while Kimi K3 is better at 1 benchmark (GPQA).
Kimi K3 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Haiku ($0.80/1M tokens) is 3.8x cheaper than Kimi K3 ($3.00/1M tokens).
For output processing, Claude 3.5 Haiku ($4.00/1M tokens) is 3.8x cheaper than Kimi K3 ($15.00/1M tokens).
In conclusion, Kimi K3 is more expensive than Claude 3.5 Haiku.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Kimi K3 accepts 1,048,576 input tokens compared to Claude 3.5 Haiku's 200,000 tokens. Kimi K3 can generate longer responses up to 1,048,576 tokens, while Claude 3.5 Haiku is limited to 200,000 tokens.
Input Capabilities
Supported data types and modalities
Kimi K3 supports multimodal inputs, whereas Claude 3.5 Haiku does not.
Kimi K3 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.5 Haiku
Kimi K3
Release Timeline
When each model was launched
Claude 3.5 Haiku was released on 2024-10-22, while Kimi K3 was released on 2026-07-16.
Kimi K3 is 21 months newer than Claude 3.5 Haiku.
Oct 22, 2024
1.7 years ago
Jul 16, 2026
2 days ago
1.7yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.5 Haiku is available from Bedrock, Google, Anthropic. Kimi K3 is available from Moonshot AI.
Claude 3.5 Haiku
Kimi K3
Outputs Comparison
Key Takeaways
Claude 3.5 Haiku
View detailsAnthropic
Kimi K3
View detailsMoonshot AI
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude 3.5 Haiku and Kimi K3 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude 3.5 Haiku vs Kimi K3.