Claude vs DeepSeek: which should you use?
A side-by-side look at Claude and DeepSeek — context window, price per million tokens, and what each one is actually better at. In Blend you can use both and switch mid-conversation.
Model data updated: 2026-08-16
Short answer
Neither wins every task. Claude and DeepSeek each have questions they answer better, which is why picking one for everything costs you quality. Blend routes each question to whichever fits, so you do not have to decide up front.
| Representative model | Provider | Context | Input | Output | Images |
|---|---|---|---|---|---|
| Claude — Claude Opus 5 | Anthropic | 128K | $15 | $75 | Yes |
| DeepSeek — DeepSeek V4 Pro | DeepSeek | — | — | — | — |
Input / Output: per 1M tokens. Prices are the providers’ list prices in USD per million tokens and can change at any time. Use them for comparison, not billing.
What Claude is good at
Favoured for long documents, careful reasoning and natural writing, with very large context windows.
- Handles very long documents in one pass
- Natural, low-cliché writing style
- Careful step-by-step reasoning and coding
What DeepSeek is good at
An open-weight family known for strong reasoning and coding at a very low price point.
- Very low cost for the quality
- Competitive maths and coding
- Open weights, widely audited
Blend — one app that picks the best AI for every question
Related comparisons
Model capabilities and prices change often. Figures come from Blend’s automatically synced registry and are shown for comparison. All model prices