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DeepSeek R1 vs Gemini 2.5 Flash (batch)

List-price comparison ·DeepSeek R1 details ·Gemini 2.5 Flash (batch) details

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For a typical workload (100,000 requests / mo), Gemini 2.5 Flash (batch) is the cheapest — 53% less than the priciest here ($68.00/mo vs $146.00/mo).

 DeepSeek R1Gemini 2.5 Flash (batch)
Input / 1M tokens$0.500$0.150
Output / 1M tokens$2.15$1.25
Typical request (1,200 in + 400 out)$0.0015$0.0007
Context window163,840 tokens1,048,576 tokens
Max output32,768 tokens65,535 tokens
Quality score84/10078/100
TierFlagshipFlash
ProviderDeepSeekGoogle

Projected monthly cost

Requests / moDeepSeek R1Gemini 2.5 Flash (batch)
1,000$1.46$0.68
10,000$14.60$6.80
100,000$146.00$68.00
Open all in the calculator — adjust volume and token counts →

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.

Gemini 2.5 Flash (batch)

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More comparisons

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