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DeepSeek V4 Flash 0731 vs DeepSeek R1

List-price comparison ·DeepSeek V4 Flash 0731 details ·DeepSeek R1 details

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For a typical workload (100,000 requests / mo), DeepSeek V4 Flash 0731 is the cheapest — 92% less than the priciest here ($12.00/mo vs $146.00/mo).

 DeepSeek V4 Flash 0731DeepSeek R1
Input / 1M tokens$0.060$0.500
Output / 1M tokens$0.120$2.15
Typical request (1,200 in + 400 out)$0.0001$0.0015
Context window1,310,720 tokens163,840 tokens
Max output943,718 tokens32,768 tokens
Quality score76/10084/100
TierFlashFlagship
ProviderDeepSeekDeepSeek

Projected monthly cost

Requests / moDeepSeek V4 Flash 0731DeepSeek R1
1,000$0.12$1.46
10,000$1.20$14.60
100,000$12.00$146.00
Open all in the calculator — adjust volume and token counts →

DeepSeek V4 Flash 0731

Auto-synced from OpenRouter — no editorial write-up yet.

DeepSeek R1

Chain-of-thought reasoning competitive with closed flagship models on math and logic benchmarks, at open-weight pricing.

Emits long reasoning traces that inflate output token counts and cost — cap reasoning length or use a distilled variant for latency-sensitive paths.

More comparisons

Vendor list rates · per-request examples assume 1,200 input + 400 output tokens.