Model Comparison

V3.1 Terminus (Non-reasoning)
vs. Gemini 3.1 Pro Preview

Comparing 2 AI models · 10 benchmarks · DeepSeek, Google

Recommended Pick

Google logo Gemini 3.1 Pro Preview 10 metric wins

Strongest on: Throughput, Reasoning, Intelligence

Best Value

DeepSeek logo

V3.1 Terminus (Non-reasoning)

100.0 value score

42.5 reasoning / $0.45/1M

Lowest Price

DeepSeek logo

V3.1 Terminus (Non-reasoning)

$0.27/1M input price

Best Reasoning

Google logo

Gemini 3.1 Pro Preview

61.8 reasoning score

Blends available reasoning benchmarks

Best for Coding

Google logo

Gemini 3.1 Pro Preview

68.8 coding index

Composite Indices

Higher is better; speed and price are normalized

Standard Benchmarks

Only benchmarks with data are shown

Differences That Matter

Best value

V3.1 Terminus (Non-reasoning) has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

V3.1 Terminus (Non-reasoning) is 7.4x cheaper on input tokens than Gemini 3.1 Pro Preview.

Reasoning gap

Gemini 3.1 Pro Preview leads V3.1 Terminus (Non-reasoning) by 19.3 points on reasoning.

Top-pick rationale

Gemini 3.1 Pro Preview wins 10 measurable categories, including Throughput, Reasoning, Intelligence, GPQA.

Live compare

Response Face-Off

Run one prompt through the selected models and compare response quality with live speed and cost context.

DeepSeek logo

V3.1 Terminus (Non-reasoning)

DeepSeek

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
Google logo

Gemini 3.1 Pro Preview

Google

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

AI Chat

Chat with 80+ models

Inference API

EU-hosted inference

Full Comparison

Metric
DeepSeek logo V3.1 Terminus (Non-reasoning)
DeepSeek
Top Pick
Google logo Gemini 3.1 Pro Preview
Google
Pricing per 1M tokens
Input Cost $0.27/1M$2.00/1M
Output Cost $1.00/1M$12.00/1M
Blended (3:1) $0.45/1M$4.50/1M
Specifications
Organization DeepSeekGoogle
Release Date Sep 22, 2025Feb 19, 2026
Performance & Speed
Throughput 139.6 tok/s
TTFT 28984ms
Latency 28984ms
Composite Indices
Value Score 100.014.6
Reasoning Score 42.561.8
Intelligence 21.446.5
Coding 68.8
Math 53.7
Standard Benchmarks
GPQA 75.1%94.1%
MMLU Pro 83.6%
HLE 8.4%44.7%
LiveCodeBench 52.9%
AIME 2025 53.7%
SciCode 32.1%58.9%
LCR 43.3%72.7%
IFBench 41.2%77.1%
TAU-bench v2 37.1%95.6%
TerminalBench Hard 31.8%53.8%

Key Takeaways

V3.1 Terminus (Non-reasoning) offers the best value at $0.27/1M, making it ideal for high-volume applications and cost-conscious projects.

Gemini 3.1 Pro Preview has the strongest reasoning profile with a 61.8 reasoning score, combining the available reasoning-heavy benchmarks.

Gemini 3.1 Pro Preview reaches a 68.8 coding index, making it the top choice for software development and code generation tasks.

All models support context windows of ∞+ tokens, suitable for processing lengthy documents and maintaining extended conversations.

When to Choose Each Model

DeepSeek logo

V3.1 Terminus (Non-reasoning)

  • Cost-sensitive applications
  • High-volume processing
Google logo

Gemini 3.1 Pro Preview

  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development