Gemini 3.1 Pro vs DeepSeek V3.1
Detailed technical comparison between Gemini 3.1 Pro (Google) and DeepSeek V3.1 (DeepSeek). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.
Comparison Snapshot
Gemini 3.1 Pro
2,000,000 tokensTie
Equal CapabilityTie
Equal SpeedDeepSeek V3.1
$0.25 / MTokGemini 3.1 Pro
Google's premiere multi-modal model featuring a massive 2 million token context window. Engineered for deep code analysis, video indexing, and long-context reasoning.
DeepSeek V3.1
DeepSeek-V3.1 is a large hybrid reasoning model (671B parameters, 37B active) that supports both thinking and non-thinking modes via prompt templates. It extends the DeepSeek-V3 base with a two-phase long-context...
Technical Specifications
🏆 = Superior Spec| Specification | Gemini 3.1 Pro | DeepSeek V3.1 |
|---|---|---|
| Provider | DeepSeek | |
| Context Window | 2,000,000 tokens🏆 | 163,840 tokens |
| Agent Suitability | 93/100 (est.) | Not yet benchmarked |
| Time to First Token (TTFT) | 420 ms (est.) | No public TTFT data |
| Deployment Model | managed api | self hostable |
| Production Stability | Stable GA (est.) | Stable GA (est.) |
| API Available | Yes | Yes |
| Released Date | 2026-04-20 | 2025-08-21 |
API Pricing Comparison
Input Price per Million Tokens
Gemini 3.1 Pro
$2.00
DeepSeek V3.1
$0.25
Output Price per Million Tokens
Gemini 3.1 Pro
$12.00
DeepSeek V3.1
$0.95
💡 Cost Ratio: DeepSeek V3.1 is 8.0x cheaper per input token than Gemini 3.1 Pro.
Want to test both models live?
Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Standardized Scores (0–100%)Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.
Gemini 3.1 Pro Quirks & Gotchas
- ▸Best model for massive context — 2M token window is class-leading
- ▸Tool calling requires explicit schema definition in Google AI Studio
DeepSeek V3.1 Quirks & Gotchas
No developer gotchas reported.
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