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DeepSeek

DeepSeek V4 Pro

VS
Google

Gemini 3 Flash

✍️ Analysis by:the whichllmmodel Editorial Team|📅 Updated: June 2026

Decision Recommendation

⚖️ Editorial Verdict: In our analysis, DeepSeek V4 Pro is the premium intelligence choice, scoring 17.5% higher on coding benchmarks. However, this accuracy premium comes with a cost overhead: Gemini 3 Flash is 1.9x cheaper to run and delivers 4.0x faster throughput. If you are building high-volume, simple chatbots or processing massive amounts of text where budget is critical, Gemini 3 Flash offers excellent cost savings. For agentic reasoning, code refactoring, or complex logical tasks, the accuracy premium of DeepSeek V4 Pro fully justifies the cost.

Model Specs

DeepSeek V4 Pro

Benchmarks & Scores

Coding (swe-bench-pro)Winner (+17.5%)
52.1%
Reasoning (gpqa-diamond)
88%

Cost & Performance

Cost (per 1M tokens)
$2.17Input: $1.74 | Output: $3.48
Speed
39.7 tps
Context Window
1M tokens
Model Specs

Gemini 3 Flash

Benchmarks & Scores

Coding (swe-bench-pro)
34.6%
Reasoning (gpqa-diamond)Winner (+2.4%)
90.4%

Cost & Performance

Cost (per 1M tokens)1.9x cheaper
$1.13Input: $0.50 | Output: $3.00
Speed4.0x faster
159 tps
Context Window
1M tokens
Read our data collection methodology

Frequently Asked Questions

Gemini 3 Flash is cheaper than DeepSeek V4 Pro. Gemini 3 Flash has a blended cost of $1.13/1M tokens, which is about 1.9x cheaper than DeepSeek V4 Pro at $2.17/1M tokens.

Gemini 3 Flash is faster than DeepSeek V4 Pro. Gemini 3 Flash generates 159 tokens per second (tps) compared to DeepSeek V4 Pro which generates 39.7 tokens per second.

DeepSeek V4 Pro is better for coding tasks. It scores 52.1% on coding evaluations (swe-bench-pro) compared to Gemini 3 Flash which scores 34.6%.

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