3 models
Ranked by Design Arena: website
Reasoning Tools JSON Open weights 1247.0

Open MoE flagship with million-token context for coding and long agent runs

deepseek/deepseek-v4-pro 2026-04-24 1M context $0.435/M input $0.87/M output
62 providers
Reasoning Tools JSON Open weights 1220.0

Fast DeepSeek V4 lane for economical reasoning, coding, and long-context work

deepseek/deepseek-v4-flash 2026-04-24 1M context $0.15/M input $0.6/M output
62 providers
Tools Open weights 1132.0

DeepSeek chat model for instruction following, coding, and analysis

deepseek/deepseek-chat 2025-12-01 1M context $0.147/M input $0.295/M output
8 providers