DeepSeek V4 PRO API
Send deepseek/deepseek-v4-pro when the Chinese job is worth 1.65 / 3.31. The catalog still does not publish a context window or a CacheSafety row. If you have not compared that bill to Flash at 0.14 / 0.28, do not make PRO the default.
What is DeepSeek V4 PRO API in NextModel?
Send deepseek/deepseek-v4-pro when the Chinese job is worth 1.65 / 3.31. The catalog still does not publish a context window or a CacheSafety row. If you have not compared that bill to Flash at 0.14 / 0.28, do not make PRO the default.
DeepSeek-V4-Pro via NextModel: 1M-token context; $1.65 / 1M tokens in / $3.31 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Best use cases
- Explicit PRO spend on Chinese streaming.
- A paid DeepSeek id behind Flash on the same gateway.
- Workloads that already rejected V3.2 at 0.29 / 0.44.
When not to use
- You wanted cheap Chinese tokens. That is Flash.
- You need a published context window. PRO does not have one either.
- You need tools or vision. Those flags are not listed.
OpenAI-compatible code example
curl https://api.nextmodel.app/v1/chat/completions \
-H "Content-Type: application/json" \
-H "Authorization: Bearer $NEXTMODEL_API_KEY" \
-d '{"model":"deepseek/deepseek-v4-pro","messages":[{"role":"user","content":"Reply with OK."}]}'Switching models only changes the model field.
Similar alternatives
DeepSeek-V4-Flash via NextModel: 1M-token context; $0.14 / 1M tokens in / $0.28 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Kimi-K2.6 via NextModel: 256k-token context; $0.9 / 1M tokens in / $3.72 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
GPT-5.5 via NextModel: 1M-token context; Starting at $5 / 1M tokens in / $30 / 1M tokens out per 1M tokens. Capabilities: streaming, tool, json.
Reading
Articles that explain DeepSeek-V4-Pro
How to estimate AI API cost before you ship
V4 PRO sits above Flash. Estimate before you default to it.
Lin Qiming
LLM Gateway: Compare Options and Alternatives
Same OpenAI-compatible base URL as the rest of the catalog.
Zhao Yu'an
FAQ
DeepSeek-V4-Pro API questions
What model id do I send for DeepSeek V4 PRO?
Send deepseek/deepseek-v4-pro to https://api.nextmodel.app/v1.
How much more than Flash?
1.65 / 3.31 versus 0.14 / 0.28. About 12x on input. Context unpublished on both.
CacheSafety?
Unpublished for this exact id.
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