Model Comparison

Claude Haiku 4.5 vs DeepSeek-V3Which is better in 2026?

Claude Haiku 4.5 significantly outperforms across most benchmarks. DeepSeek-V3 is 4.2x cheaper per token.

Verdict: Claude Haiku 4.5 vs DeepSeek-V3 — which is better?

Claude Haiku 4.5 (by Anthropic) and DeepSeek-V3 (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 2 benchmarks (GPQA, SWE-Bench Verified), while DeepSeek-V3 is better at 0 benchmarks. Claude Haiku 4.5 significantly outperforms across most benchmarks.

On price, DeepSeek-V3 is roughly 4.2x 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 2 of 2 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 if…

  • cost matters — it's about 4.2x cheaper per token
  • you need open weights you can self-host or fine-tune
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Performance Benchmarks

Comparative analysis across standard metrics

2 benchmarks

Claude Haiku 4.5 outperforms in 2 benchmarks (GPQA, SWE-Bench Verified), while DeepSeek-V3 is better at 0 benchmarks.

Claude Haiku 4.5 significantly outperforms across most benchmarks.

Thu Jun 11 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3 costs less

For input processing, Claude Haiku 4.5 ($1.00/1M tokens) is 3.7x more expensive than DeepSeek-V3 ($0.27/1M tokens).

For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 4.5x more expensive than DeepSeek-V3 ($1.10/1M tokens).

In conclusion, Claude Haiku 4.5 is more expensive than DeepSeek-V3.*

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

Lowest available price from all providers
Thu Jun 11 2026 • llm-stats.com
Anthropic
Claude Haiku 4.5
Input tokens$1.00
Output tokens$5.00
Best providerAnthropic
DeepSeek
DeepSeek-V3
Input tokens$0.27
Output tokens$1.10
Best providerDeepSeek
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Claude Haiku 4.5 accepts 200,000 input tokens compared to DeepSeek-V3's 131,072 tokens. DeepSeek-V3 can generate longer responses up to 131,072 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.

Anthropic
Claude Haiku 4.5
Input200,000 tokens
Output64,000 tokens
DeepSeek
DeepSeek-V3
Input131,072 tokens
Output131,072 tokens
Thu Jun 11 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Haiku 4.5 supports multimodal inputs, whereas DeepSeek-V3 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

Text
Images
Audio
Video

DeepSeek-V3

Text
Images
Audio
Video

License

Usage and distribution terms

Claude Haiku 4.5 is licensed under a proprietary license, while DeepSeek-V3 uses MIT + Model License (Commercial use allowed).

License differences may affect how you can use these models in commercial or open-source projects.

Claude Haiku 4.5

Proprietary

Closed source

DeepSeek-V3

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 was released on 2024-12-25.

Claude Haiku 4.5 is 10 months newer than DeepSeek-V3.

Claude Haiku 4.5

Oct 15, 2025

7 months ago

9mo newer
DeepSeek-V3

Dec 25, 2024

1.5 years ago

Knowledge Cutoff

When training data ends

Claude Haiku 4.5 has a documented knowledge cutoff of 2025-02-01, while DeepSeek-V3'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's cutoff date.

Claude Haiku 4.5

Feb 2025

DeepSeek-V3

—

Provider Availability

Claude Haiku 4.5 is available from Anthropic, Vertex AI. DeepSeek-V3 is available from DeepSeek.

Claude Haiku 4.5

anthropic logo
Anthropic
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M
vertex logo
Unknown Organization
Input Price:Input: $1.00/1MOutput Price:Output: $5.00/1M

DeepSeek-V3

deepseek logo
DeepSeek
Input Price:Input: $0.27/1MOutput Price:Output: $1.10/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Anthropic
Larger context window (200,000 tokens)
Supports multimodal inputs
Higher GPQA score (73.0% vs 59.1%)
Higher SWE-Bench Verified score (73.3% vs 42.0%)
DeepSeek
Less expensive input tokens
Less expensive output tokens
Has open weights

Detailed Comparison

AI Model Comparison Table
Feature
Anthropic
Claude Haiku 4.5
DeepSeek
DeepSeek-V3

FAQ

Common questions about Claude Haiku 4.5 vs DeepSeek-V3.

Which is better, Claude Haiku 4.5 or DeepSeek-V3?

Claude Haiku 4.5 significantly outperforms across most benchmarks. Claude Haiku 4.5 is made by Anthropic and DeepSeek-V3 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Claude Haiku 4.5 compare to DeepSeek-V3 in benchmarks?

Claude Haiku 4.5 scores Tau2 Retail: 83.2%, MMMLU: 83.0%, Tau2 Telecom: 83.0%, AIME 2025: 80.7%, SWE-Bench Verified: 73.3%. DeepSeek-V3 scores DROP: 91.6%, CLUEWSC: 90.9%, MATH-500: 90.2%, MMLU-Redux: 89.1%, MMLU: 88.5%.

Is Claude Haiku 4.5 cheaper than DeepSeek-V3?

DeepSeek-V3 is 3.7x cheaper for input tokens. Claude Haiku 4.5 costs $1.00/M input and $5.00/M output via anthropic. DeepSeek-V3 costs $0.27/M input and $1.10/M output via deepseek.

What are the context window sizes for Claude Haiku 4.5 and DeepSeek-V3?

Claude Haiku 4.5 supports 200K tokens and DeepSeek-V3 supports 131K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Claude Haiku 4.5 and DeepSeek-V3?

Key differences include context window (200K vs 131K), input pricing ($1.00 vs $0.27/M), multimodal support (yes vs no), licensing (Proprietary vs MIT + Model License (Commercial use allowed)). See the full comparison above for benchmark-by-benchmark results.

Who makes Claude Haiku 4.5 and DeepSeek-V3?

Claude Haiku 4.5 is developed by Anthropic and DeepSeek-V3 is developed by DeepSeek.

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