DeepSeek

Direct DeepSeek language and reasoning models.

2 integrated models · Official documentation ↗

2 models

Now served by DeepSeek-V4.1-Flash (API name deepseek-flash), DeepSeek's newest model and cheaper tier since September 2026: an open-weight 552B MoE with a 1M context. It replaced the retired V4-Flash.

Language ModelsSep 10, 20261,048,576 context

$0.255 / 1M tokens Input$1.02 / 1M tokens Output

DeepSeek V4 Pro

DeepSeek's largest model, an open-weight 1.6T-parameter MoE (49B active) with a 1M context and thinking on by default; the API has served an updated V4-Pro since August 2026. DeepSeek has announced V4.1-Pro as its successor.

Language ModelsApr 24, 20261,048,576 context

$1.122 / 1M tokens Input$3.366 / 1M tokens Output

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