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DeepSeek V3.1 vs DeepSeek R1

List-price comparison ·DeepSeek V3.1 details ·DeepSeek R1 details

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For a typical workload (100,000 requests / mo), DeepSeek V3.1 is the cheapest — 53% less than the priciest here ($68.00/mo vs $146.00/mo).

 DeepSeek V3.1DeepSeek R1
Input / 1M tokens$0.250$0.500
Output / 1M tokens$0.950$2.15
Typical request (1,200 in + 400 out)$0.0007$0.0015
Context window163,840 tokens163,840 tokens
Max output32,768 tokens32,768 tokens
Quality score86/10084/100
TierBalancedFlagship
ProviderDeepSeekDeepSeek

Projected monthly cost

Requests / moDeepSeek V3.1DeepSeek R1
1,000$0.68$1.46
10,000$6.80$14.60
100,000$68.00$146.00
Open all in the calculator — adjust volume and token counts →

DeepSeek V3.1

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.