Model Comparison

Gemini 3.1 Pro Preview
vs. GPT-5.6 Sol (max)

Comparing 2 AI models · 7 benchmarks · Google, OpenAI

Recommended Pick

Google logoGemini 3.1 Pro Preview10 metric wins

Strongest on: Value, Input price, Output price

Best Value

Google logo

Gemini 3.1 Pro Preview

100.0 value score

61.8 reasoning / $4.50/1M

Lowest Price

Google logo

Gemini 3.1 Pro Preview

$2.00/1M input price

Best Reasoning

OpenAI logo

GPT-5.6 Sol (max)

66.7 reasoning score

Blends available reasoning benchmarks

Best for Coding

OpenAI logo

GPT-5.6 Sol (max)

77.4 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

Gemini 3.1 Pro Preview has the strongest quality-to-price mix at 100.0 out of 100 value points.

Price gap

Gemini 3.1 Pro Preview is 2.5x cheaper on input tokens than GPT-5.6 Sol (max).

Speed gap

Gemini 3.1 Pro Preview generates about 1.8x as many tokens per second as GPT-5.6 Sol (max).

Reasoning gap

GPT-5.6 Sol (max) leads Gemini 3.1 Pro Preview by 5.0 points on reasoning.

Coding gap

GPT-5.6 Sol (max) leads Gemini 3.1 Pro Preview by 8.6 points on coding.

Live compare

Response Face-Off

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

Google logo

Gemini 3.1 Pro Preview

Google

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting
OpenAI logo

GPT-5.6 Sol (max)

OpenAI

Waiting

TTFT

Time

tok/s

Tokens

Cost

Waiting

Which answer was more useful?

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Full Comparison

Metric
Top Pick
Google logoGemini 3.1 Pro Preview
Google
OpenAI logoGPT-5.6 Sol (max)
OpenAI
Pricing per 1M tokens
Input Cost$2.00/1M$5.00/1M
Output Cost$12.00/1M$30.00/1M
Blended (3:1)$4.50/1M$11.25/1M
Specifications
OrganizationGoogleOpenAI
Release DateFeb 19, 2026Jul 9, 2026
Performance & Speed
Throughput135.5 tok/s73.2 tok/s
TTFT22261ms74846ms
Latency22261ms74846ms
Composite Indices
Value Score100.043.2
Reasoning Score61.866.7
Intelligence46.558.9
Coding68.877.4
Standard Benchmarks
GPQA94.1%94.1%
HLE44.7%47.2%
SciCode58.9%56.1%
LCR72.7%73.7%
IFBench77.1%72.7%
TAU-bench v295.6%85.1%
TerminalBench Hard53.8%65.9%

Key Takeaways

Gemini 3.1 Pro Preview offers the best value at $2.00/1M,making it ideal for high-volume applications and cost-conscious projects.

GPT-5.6 Sol (max) has the strongest reasoning profile with a 66.7 reasoning score,combining the available reasoning-heavy benchmarks.

GPT-5.6 Sol (max) reaches a 77.4 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

Google logo

Gemini 3.1 Pro Preview

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

GPT-5.6 Sol (max)

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