DeepSeek V4 Pro vs Claude Haiku 4.5 for summarizing pdfs: which is better in 2026?
A head-to-head look at DeepSeek V4 Pro and Claude Haiku 4.5 for summarizing pdfs. Benchmarks via artificialanalysis.ai, pricing as of May 2026. Compare AI models like these inside Admix.
Quick verdict
For summarizing pdfs in May 2026, Claude Haiku 4.5 edges out DeepSeek V4 Pro on the contextWindow metric. Cheap Claude quality for everyday tasks.
Side-by-side specs
| Spec | DeepSeek | Haiku |
|---|---|---|
| Intelligence index | 72.8 | 65.8 |
| Coding index | 74.5 | 66.2 |
| Context window | 256K tokens | 500K tokens |
| Speed (tok/s) | 120 | 205 |
| Input $/M | $0.27 | $0.80 |
| Output $/M | $1.10 | $4.00 |
| Released | Mar 4, 2026 | Mar 19, 2026 |
How they handle summarizing pdfs
DeepSeek V4 Pro: Cheapest frontier-class pricing. The main caveat is weaker english creative writing.
Claude Haiku 4.5: Cheap Claude quality for everyday tasks. The main caveat is not as strong as opus on agentic coding.
Cost per 1,000 queries
Assuming 1,500 input and 800 output tokens per query:
- DeepSeek V4 Pro: $1.29 per 1,000 queries
- Claude Haiku 4.5: $4.40 per 1,000 queries
Verdict by sub-task
- Best raw quality on summarizing pdfs:
- Best price: DeepSeek V4 Pro
- Longest context: Claude Haiku 4.5
- Fastest: Claude Haiku 4.5
FAQ
Is DeepSeek V4 Pro better than Claude Haiku 4.5 for summarizing pdfs?
On May 2026 benchmarks (artificialanalysis.ai), Claude Haiku 4.5 ranks higher than DeepSeek V4 Pro for summarizing pdfs on the contextWindow metric. The gap is small enough that the choice often comes down to price, context length, and tone.
Which is cheaper, DeepSeek V4 Pro or Claude Haiku 4.5?
DeepSeek V4 Pro costs $0.27 input and $1.10 output per million tokens. Claude Haiku 4.5 costs $0.80 input and $4.00 output per million tokens.
Can I use both DeepSeek and Haiku in one app?
Yes. Admix is a multi model AI chat aggregator that lets you run DeepSeek V4 Pro and Claude Haiku 4.5 side by side under one subscription.
Sources
Benchmarks from artificialanalysis.ai (May 2026).
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