How much cheaper is DeepSeek V4 Pro than Gemini 3 Flash?

DeepSeek V4 Pro costs $0.435/M input and $0.87/M output. Gemini 3 Flash costs $0.50/M input and $3.00/M output. DeepSeek is 13% cheaper on input and 71% cheaper on output. For a typical workload of 1M input + 500K output tokens/month, Gemini costs $2.00 vs DeepSeek's $0.87 — saving you $1.13/month (57% savings).

Do Gemini 3 Flash and DeepSeek V4 Pro have the same context window?

Yes — both offer 1M token context windows. This makes them two of the cheapest ways to access 1M context in 2026. The context capability is equivalent; the main difference is pricing and provider ecosystem.

When should I choose DeepSeek V4 Pro over Gemini 3 Flash?

Choose DeepSeek V4 Pro when output cost matters most — it's 71% cheaper on output tokens, making it ideal for content generation, code completion, and other output-heavy workloads. Choose Gemini 3 Flash when you prefer Google's ecosystem, need tighter integration with Google Cloud, or value Gemini's specific capabilities.

Is DeepSeek V4 Pro as good as Gemini 3 Flash?

Both are strong budget-tier models with 1M context. DeepSeek V4 Pro excels at coding and technical tasks. Gemini 3 Flash benefits from Google's ecosystem and may perform better on multimodal tasks. For most text-based workloads, the quality is comparable — making DeepSeek's 57% overall savings hard to beat.