Claude Haiku 4.5 vs DeepSeek-V3.2 (Thinking)
DeepSeek-V3.2 (Thinking) leads the LLM Stats Score 32.2 to 25.2. DeepSeek-V3.2 (Thinking) is 6.3x cheaper per token.
Anthropic · DeepSeek · Updated for 2026
Which is better?
DeepSeek-V3.2 (Thinking) leads the overall LLM Stats Score 32.2 to 25.2, ranking #127 overall.
In the 3 individual benchmarks reported for both models, DeepSeek-V3.2 (Thinking) wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, DeepSeek-V3.2 (Thinking) is roughly 6.3x 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.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude Haiku 4.5
- you process long inputs — it offers a 200,000 token context window
Choose DeepSeek-V3.2 (Thinking)
- overall performance matters — it scores 32.2 and ranks #127 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 3 exact shared results
- cost matters — it's about 6.3x cheaper per token
- you want the most recent training data — it shipped Dec 2025
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
12 reported for Claude Haiku 4.5 · 14 for DeepSeek-V3.2 (Thinking)
Claude Haiku 4.5 outperforms in 1 benchmarks (SWE-Bench Verified), while DeepSeek-V3.2 (Thinking) is better at 2 benchmarks (AIME 2025, GPQA).
DeepSeek-V3.2 (Thinking) shows notably better performance in the majority of benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
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-V3.2 (Thinking) ($0.28/1M tokens).
For output processing, Claude Haiku 4.5 ($5.00/1M tokens) is 11.9x more expensive than DeepSeek-V3.2 (Thinking) ($0.42/1M tokens).
In conclusion, Claude Haiku 4.5 is more expensive than DeepSeek-V3.2 (Thinking).*
* 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-V3.2 (Thinking)'s 131,072 tokens. DeepSeek-V3.2 (Thinking) can generate longer responses up to 65,536 tokens, while Claude Haiku 4.5 is limited to 64,000 tokens.
Input capabilities
Documented input modalities across available providers
Claude Haiku 4.5 supports multimodal inputs, whereas DeepSeek-V3.2 (Thinking) 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-V3.2 (Thinking)
License
Usage and distribution terms
Claude Haiku 4.5 is licensed under a proprietary license, while DeepSeek-V3.2 (Thinking) uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Claude Haiku 4.5 was released on 2025-10-15, while DeepSeek-V3.2 (Thinking) was released on 2025-12-01.
DeepSeek-V3.2 (Thinking) is 2 months newer than Claude Haiku 4.5.
Oct 15, 2025
1.0 years ago
Dec 1, 2025
10 months ago
1mo newerKnowledge Cutoff
When training data ends
Claude Haiku 4.5 has a documented knowledge cutoff of 2025-02-01, while DeepSeek-V3.2 (Thinking)'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-V3.2 (Thinking)'s cutoff date.
Feb 2025
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Provider Availability
Claude Haiku 4.5 is available from Anthropic, DeepInfra, Vertex AI. DeepSeek-V3.2 (Thinking) is available from DeepSeek.
Claude Haiku 4.5
DeepSeek-V3.2 (Thinking)
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude Haiku 4.5 and DeepSeek-V3.2 (Thinking) side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude Haiku 4.5 vs DeepSeek-V3.2 (Thinking).