Model Comparison
Claude Haiku 4.5 vs DeepSeek-V3 0324Which is better in 2026?
Claude Haiku 4.5 significantly outperforms across most benchmarks. DeepSeek-V3 0324 is 4.0x cheaper per token.
Verdict: Claude Haiku 4.5 vs DeepSeek-V3 0324 — which is better?
Claude Haiku 4.5 (by Anthropic) and DeepSeek-V3 0324 (by DeepSeek) 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 Haiku 4.5 outperforms in 1 benchmarks (GPQA), while DeepSeek-V3 0324 is better at 0 benchmarks. Claude Haiku 4.5 significantly outperforms across most benchmarks.
On price, DeepSeek-V3 0324 is roughly 4.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude Haiku 4.5 also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude Haiku 4.5 if…
- you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Oct 2025
Choose DeepSeek-V3 0324 if…
- cost matters — it's about 4.0x cheaper per token
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude Haiku 4.5 outperforms in 1 benchmarks (GPQA), while DeepSeek-V3 0324 is better at 0 benchmarks.
Claude Haiku 4.5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 3.6x more expensive than DeepSeek-V3 0324 ($0.28/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 4.4x more expensive than DeepSeek-V3 0324 ($1.14/1M tokens).
In conclusion, Claude Haiku 4.5 is more expensive than DeepSeek-V3 0324.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude Haiku 4.5 accepts 200,000 input tokens compared to DeepSeek-V3 0324's 163,840 tokens. DeepSeek-V3 0324 can generate longer responses up to 163,840 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.
Input Capabilities
Supported data types and modalities
Claude Haiku 4.5 supports multimodal inputs, whereas DeepSeek-V3 0324 does not.
Claude Haiku 4.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude Haiku 4.5
DeepSeek-V3 0324
License
Usage and distribution terms
Claude Haiku 4.5 is licensed under a proprietary license, while DeepSeek-V3 0324 uses MIT + Model License (Commercial use allowed).
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT + Model License (Commercial use allowed)
Open weights
Release Timeline
When each model was launched
Claude Haiku 4.5 was released on 2025-10-15, while DeepSeek-V3 0324 was released on 2025-03-25.
Claude Haiku 4.5 is 7 months newer than DeepSeek-V3 0324.
Oct 15, 2025
8 months ago
6mo newerMar 25, 2025
1.3 years ago
Knowledge Cutoff
When training data ends
Claude Haiku 4.5 has a documented knowledge cutoff of 2025-02-01, while DeepSeek-V3 0324's cutoff date is not specified.
We can confirm Claude Haiku 4.5's training data extends to 2025-02-01, but cannot make a direct comparison without DeepSeek-V3 0324's cutoff date.
Feb 2025
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Provider Availability
Claude Haiku 4.5 is available from Anthropic, Vertex AI. DeepSeek-V3 0324 is available from Novita.
Claude Haiku 4.5
DeepSeek-V3 0324
Outputs Comparison
Key Takeaways
Claude Haiku 4.5
View detailsAnthropic
DeepSeek-V3 0324
View detailsDeepSeek
Detailed Comparison
Interactive Arena
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and DeepSeek-V3 0324 side-by-side, then vote on the output you prefer.
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FAQ
Common questions about Claude Haiku 4.5 vs DeepSeek-V3 0324.