Compare · ModelsLive · 2 picked · head to head
Gemini 3 Pro vs DeepSeek V4 Flash
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 3 Pro wins on 3/4 benchmarks
Gemini 3 Pro wins 3 of 4 shared benchmarks. Leads in speed · arena.
Category leads
speed·Gemini 3 Proarena·Gemini 3 Pro
Hype vs Reality
Attention vs performance
Gemini 3 Pro
#52 by perf·no signal
DeepSeek V4 Flash
#31 by perf·no signal
Best value
DeepSeek V4 Flash
Gemini 3 Pro
—
no price
DeepSeek V4 Flash
533.3 pts/$
$0.13/M
Vendor risk
Mixed exposure
One or more vendors flagged
Google DeepMind
$4.00T·Tier 1
DeepSeek
$3.4B·Tier 1
Head to head
4 benchmarks · 2 models
Gemini 3 ProDeepSeek V4 Flash
Artificial Analysis · Agentic Index
Gemini 3 Pro leads by +14.0
Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?"
Gemini 3 Pro
45.0
DeepSeek V4 Flash
31.1
Artificial Analysis · Coding Index
DeepSeek V4 Flash leads by +16.8
Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads.
Gemini 3 Pro
39.4
DeepSeek V4 Flash
56.2
Artificial Analysis · Quality Index
Gemini 3 Pro leads by +1.0
Gemini 3 Pro
41.3
DeepSeek V4 Flash
40.3
Chatbot Arena Elo · Overall
Gemini 3 Pro leads by +51.9
Gemini 3 Pro
1485.7
DeepSeek V4 Flash
1433.8
Full benchmark table
| Benchmark | Gemini 3 Pro | DeepSeek V4 Flash |
|---|---|---|
Artificial Analysis · Agentic Index Artificial Analysis Agentic Index · a composite score measuring how well a model performs in agentic workflows · multi-step tool use, planning, error recovery, and autonomous task completion. Aggregates results from multiple agentic benchmarks including SWE-bench, tool-use tests, and planning evaluations. The canonical single-number metric for "how good is this model as an agent?" | 45.0 | 31.1 |
Artificial Analysis · Coding Index Artificial Analysis Coding Index · a composite score that aggregates performance across multiple coding benchmarks into a single index. Tracks code generation quality, debugging ability, multi-language competence, and real-world software engineering tasks. Used by Artificial Analysis to rank model coding capability in a normalized, comparable format. Useful for developers choosing between models for coding-heavy workloads. | 39.4 | 56.2 |
Artificial Analysis · Quality Index | 41.3 | 40.3 |
Chatbot Arena Elo · Overall | 1485.7 | 1433.8 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| — | — | — | — | |
| $0.08 | $0.17 | 1.0M tokens (~524 books) | $1.05 |
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