DeepSeek R1 vs DeepSeek V4 Pro
A side-by-side comparison of DeepSeek R1 (DeepSeek) and DeepSeek V4 Pro (DeepSeek) on pricing, context, and capabilities. Both are available on one Kyma API key — switch between them with a one-line model change.
| Spec |  DeepSeek R1 | DeepSeek V4 Pro |
|---|---|---|
| Creator | DeepSeek | DeepSeek |
| Input / 1M | $0.743 | $2.349 |
| Output / 1M | $2.957 | $4.698 |
| Cached input | — | $0.2349 (10%) |
| Context window | 64K | 1M |
| Tool calling | Yes | Yes |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Speed | slow | medium |
Which should you pick?
DeepSeek R1 is the cheaper option on input tokens; DeepSeek V4 Pro has the larger context window at 1M. Both run on the same Kyma key, so you can A/B them by changing one string.
Switch with one line
# Same key, same endpoint — just change the model string client = OpenAI(base_url="https://kymaapi.com/v1", api_key="YOUR_API_KEY") client.chat.completions.create(model="deepseek-r1", messages=[...]) client.chat.completions.create(model="deepseek-v4-pro", messages=[...])
FAQ
Is DeepSeek R1 or DeepSeek V4 Pro cheaper?
On input tokens, DeepSeek R1 is $0.743 in / $2.957 out per 1M and DeepSeek V4 Pro is $2.349 in / $4.698 out per 1M. Both bill per token with cached input at 10% where supported, and both are on the same Kyma balance.
Can I switch between DeepSeek R1 and DeepSeek V4 Pro without changing my code?
Yes. Both are served through the same OpenAI-compatible Kyma endpoint (https://kymaapi.com/v1). Switching is a one-line change to the model field — `deepseek-r1` or `deepseek-v4-pro` — with the same API key.
Which has the larger context window?
DeepSeek R1 has a 64K context window and DeepSeek V4 Pro has 1M. Pick the larger one for long documents or repo-level context.