DeepSeek V4 Pro 0423 vs Gemini 3.1 Pro Preview

API pricing, context window and capabilities for DeepSeek V4 Pro 0423 and Gemini 3.1 Pro Preview, side by side. Prices are the cheapest listed serving route per 1M tokens, from LiteLLM and OpenRouter.

Verdict

computed from the published numbers

DeepSeek V4 Pro 0423 wins on price and on intelligence. Gemini 3.1 Pro Preview wins on Terminal-Bench.

Price
DeepSeek V4 Pro 0423
Terminal-Bench
Gemini 3.1 Pro Preview
Intelligence
DeepSeek V4 Pro 0423
Context window
Tied

Key takeaways

who wins on what, from the published numbers

DeepSeek V4 Pro 0423 wins

  • Cheaper input ($0.435 vs $2.00 /1M)
  • Cheaper output ($0.87 vs $12.00 /1M)
  • Higher max output (1M vs 66K)
  • More serving providers (16 vs 6)

Gemini 3.1 Pro Preview wins

  • Supports vision
  • Supports audio
  • Has web search
Cheaper overall
DeepSeek V4 Pro 0423
$0.435 + $0.87 /1M
Larger context
Tied
More providers
DeepSeek V4 Pro 0423
16 providers

Pricing & specs

cheapest listed route · per 1M tokens
On-demand listed rates, OpenRouter routed quotes and Vercel reseller quotes. Enterprise commitments can be materially lower.
DeepSeek V4 Pro 0423Gemini 3.1 Pro Preview
Input $/1M$0.435via Tencent best$2.00via Google
Output $/1M$0.87via Tencent best$12.00via Google
Context window1M 1M
Max output1M best66K
Serving providers16 best6
DateReleased Apr 24, 2026 Released Feb 19, 2026

Benchmarks

Benchmark scores, side by side
DeepSeek V4 Pro 0423Gemini 3.1 Pro Preview
Intelligence30.4 best29.7
Terminal-Bench65% 74% best
GPQA Diamond89% 94% best
Output speed100 t/s 140 t/s best
Latency (TTFT)1.64s best26.52s

Cost calculator

choose a serving route for each side
Input tokens / month
Output tokens / month
DeepSeek V4 Pro 0423
via Tencent
$3.04
Gemini 3.1 Pro Preview
via Google
$22

Capabilities

feature support, side by side
FeatureDeepSeek V4 Pro 0423Gemini 3.1 Pro Preview
Vision—✓
Tool use✓✓
Reasoning✓✓
Audio—✓
Prompt caching✓✓
Structured output✓✓
Web search—✓

Related comparisons

Frequently asked questions

Which is cheaper, DeepSeek V4 Pro 0423 or Gemini 3.1 Pro Preview?
DeepSeek V4 Pro 0423 is cheaper for input ($0.435 vs $2.00 per 1M tokens) from Tencent. DeepSeek V4 Pro 0423 is cheaper for output ($0.87 vs $12.00 per 1M tokens) from Tencent.
What is the context window difference between DeepSeek V4 Pro 0423 and Gemini 3.1 Pro Preview?
Both DeepSeek V4 Pro 0423 and Gemini 3.1 Pro Preview have about a 1M-token context window.
How do DeepSeek V4 Pro 0423 and Gemini 3.1 Pro Preview compare on benchmarks?
On the tracked benchmarks, Gemini 3.1 Pro Preview leads on Terminal-Bench, and DeepSeek V4 Pro 0423 leads on intelligence.
Listed prices from LiteLLM, OpenRouter and Vercel · last checked Oct 14, 2026

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