Model Comparison

Claude 4.1 Opus (Reasoning)
vs. Gemini 3.1 Pro Preview

Comparing 2 AI models · 10 benchmarks · Anthropic, Google

Recommended Pick

Google logo Gemini 3.1 Pro Preview 15 metric wins

Strongest on: Value, Input price, Output price

Best Value

Google logo

Gemini 3.1 Pro Preview

100.0 value score

65.3 reasoning / $4.50/1M

Lowest Price

Google logo

Gemini 3.1 Pro Preview

$2.00/1M input price

Best Reasoning

Google logo

Gemini 3.1 Pro Preview

65.3 reasoning score

Blends available reasoning benchmarks

Best for Coding

Google logo

Gemini 3.1 Pro Preview

55.5 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 9.4x cheaper on input tokens than Claude 4.1 Opus (Reasoning).

Speed gap

Gemini 3.1 Pro Preview generates about 3.5x as many tokens per second as Claude 4.1 Opus (Reasoning).

Reasoning gap

Gemini 3.1 Pro Preview leads Claude 4.1 Opus (Reasoning) by 6.2 points on reasoning.

Coding gap

Gemini 3.1 Pro Preview leads Claude 4.1 Opus (Reasoning) by 19.0 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.

Anthropic logo

Claude 4.1 Opus (Reasoning)

Anthropic

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
Anthropic logo Claude 4.1 Opus (Reasoning)
Anthropic
Top Pick
Google logo Gemini 3.1 Pro Preview
Google
Pricing per 1M tokens
Input Cost $18.75/1M$2.00/1M
Output Cost $75.00/1M$12.00/1M
Blended (3:1) $32.81/1M$4.50/1M
Specifications
Organization AnthropicGoogle
Release Date Aug 5, 2025Feb 19, 2026
Performance & Speed
Throughput 36.0 tok/s126.8 tok/s
TTFT 9223ms25467ms
Latency 9223ms25467ms
Composite Indices
Value Score 12.4100.0
Reasoning Score 59.165.3
Intelligence 42.057.2
Coding 36.555.5
Math 80.3
Standard Benchmarks
GPQA 80.9%94.1%
MMLU Pro 88.0%
HLE 11.9%44.7%
LiveCodeBench 65.4%
AIME 2025 80.3%
SciCode 40.9%58.9%
LCR 66.3%72.7%
IFBench 55.4%77.1%
TAU-bench v2 71.4%95.6%
TerminalBench Hard 34.3%53.8%

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.

Gemini 3.1 Pro Preview has the strongest reasoning profile with a 65.3 reasoning score, combining the available reasoning-heavy benchmarks.

Gemini 3.1 Pro Preview reaches a 55.5 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

Anthropic logo

Claude 4.1 Opus (Reasoning)

  • General-purpose AI
  • Versatile applications
Google logo

Gemini 3.1 Pro Preview

  • Cost-sensitive applications
  • High-volume processing
  • Complex reasoning tasks
  • Research & analysis
  • Code generation
  • Software development