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DeepSeek V3 vs Gemini 2.5 Flash

Head-to-head comparison across 0benchmark categories. Overall scores shown here use BenchLM's provisional ranking lane.

Benchmark data for one or both models is coming soon. This page currently shows metadata and pricing where BenchLM has it, and score-level comparisons will populate as public benchmark results land.

DeepSeek V3

36

VS

Gemini 2.5 Flash

--

0 categoriesvs0 categories

Benchmark data for DeepSeek V3 and Gemini 2.5 Flash is coming soon on BenchLM.

Category Radar

Head-to-Head by Category

Operational Comparison

DeepSeek V3

Gemini 2.5 Flash

Price (per 1M tokens)

$0.27 / $1.1

$0.3 / $2.5

Speed

N/A

221 t/s

Latency (TTFT)

N/A

0.50s

Context Window

128K

1M

Quick Verdict

Benchmark data for DeepSeek V3 and Gemini 2.5 Flash is coming soon on BenchLM.

BenchLM does not have sourced benchmark coverage for Gemini 2.5 Flash yet. This comparison is currently limited to metadata such as context window, reasoning mode, and pricing where available.

Gemini 2.5 Flash is priced at $0.30 input / $2.50 output per 1M tokens, versus $0.27 input / $1.10 output per 1M tokens for DeepSeek V3. Gemini 2.5 Flash has the larger context window at 1M, compared with 128K for DeepSeek V3.

Benchmark Deep Dive

Frequently Asked Questions (3)

Can I compare DeepSeek V3 and Gemini 2.5 Flash on BenchLM yet?

Not fully yet. BenchLM is tracking both models, but the sourced benchmark breakdown for this comparison is still coming soon.

Why does this comparison show “coming soon”?

BenchLM only shows category winners and benchmark-level calls when we have sourced results that can be compared fairly. For these models, the public benchmark coverage is not complete enough yet.

What data is available for DeepSeek V3 and Gemini 2.5 Flash today?

DeepSeek V3: $0.27 input / $1.10 output per 1M tokens Gemini 2.5 Flash: $0.30 input / $2.50 output per 1M tokens Both model pages still include creator, context window, reasoning mode, and other metadata while benchmark coverage fills in.

Self-host vs API cost

Estimates at 50,000 req/day · 1000 tokens/req average.

DeepSeek V3
API / mo$1,028
Self-host / mo$18,221
Break-even1.2B/day
Gemini 2.5 Flash
API / mo$2,100
Self-host / moN/A
Break-even
Proprietary model — self-hosting not applicable.
Model the full break-even

Related Comparisons

Last updated: May 1, 2026

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