DeepSeek V4 Pro vs Claude Opus 5: price, context window and capabilities
DeepSeek V4 Pro (deepseek/deepseek-v4-pro) is a language model from DeepSeek and Claude Opus 5 (anthropic/claude-opus-5) a multimodal language model from Anthropic; both are on the OceanToken API. DeepSeek V4 Pro costs less per token than Claude Opus 5: $1.056 against $4.50 per 1M input tokens (77% less) and $3.168 against $22.50 per 1M output tokens (86% less). Claude Opus 5 is 10% off its official price on OceanToken, for every account. DeepSeek V4 Pro has the larger context window: 1.05M tokens (1,048,576) against 1M (1,000,000) for Claude Opus 5. Both support tool calling, reasoning and structured outputs; only Claude Opus 5 also lists image input and file input.
Side by side
| Spec | DeepSeek V4 Pro −40% | Claude Opus 5 −10% |
|---|---|---|
| Model | DeepSeek V4 Prodeepseek/ | Claude Opus 5anthropic/ |
| Publisher | DeepSeek | Anthropic |
| Kind | Text | Text & vision |
| Context window | 1.05M tokens1,048,576 | 1M tokens1,000,000 |
| Input price | $1.056 / 1M tokens | $4.50 / 1M tokens |
| Output price | $3.168 / 1M tokens | $22.50 / 1M tokens |
| Cached input price | $0.044 / 1M tokens | $0.50 / 1M tokens |
| Cache write price | – | $6.25 / 1M tokens |
| Web search price | – | $0.01 / search |
| Discount (vs official, top tier) | −40% | −10% |
| Inputs | text | text, images and files |
| Outputs | text | text |
| Tool calling | Yes | Yes |
| Reasoning | Yes | Yes |
| Structured outputs | Yes | Yes |
About these prices
Which should you choose?
- Choose DeepSeek V4 Pro to spend less per token: 77% less for input and 86% less for output than Claude Opus 5.
- Choose DeepSeek V4 Pro for the longest inputs: its context window holds 1.05M tokens against 1M for Claude Opus 5.
- Choose Claude Opus 5 if you need image input and file input: DeepSeek V4 Pro does not list them.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts; each request is billed per use from one prepaid balance.
Get API Key DeepSeek V4 Pro Claude Opus 5
Frequently asked questions
Which is cheaper, DeepSeek V4 Pro or Claude Opus 5?
DeepSeek V4 Pro. DeepSeek V4 Pro costs less per token than Claude Opus 5: $1.056 against $4.50 per 1M input tokens (77% less) and $3.168 against $22.50 per 1M output tokens (86% less). Claude Opus 5 is 10% off its official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which has the larger context window, DeepSeek V4 Pro or Claude Opus 5?
DeepSeek V4 Pro. DeepSeek V4 Pro has the larger context window: 1.05M tokens (1,048,576) against 1M (1,000,000) for Claude Opus 5.
Can I call both DeepSeek V4 Pro and Claude Opus 5 with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id deepseek/deepseek-v4-pro or anthropic/claude-opus-5.
Models and publishers
DeepSeek V4 Pro · Claude Opus 5 · All DeepSeek models · All Anthropic models
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