Model Comparison

Claude 2.1
vs. Gemini 3.1 Pro Preview

Comparing 2 AI models · 11 benchmarks · Anthropic, Google

Recommended Pick

Google logo Gemini 3.1 Pro Preview 7 metric wins

Strongest on: Throughput, Reasoning, Intelligence

Lowest Price

Anthropic logo

Claude 2.1

$0.00/1M 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

Price gap

Claude 2.1 is ∞x cheaper on input tokens than Gemini 3.1 Pro Preview.

Reasoning gap

Gemini 3.1 Pro Preview leads Claude 2.1 by 48.1 points on reasoning.

Coding gap

Gemini 3.1 Pro Preview leads Claude 2.1 by 41.5 points on coding.

Top-pick rationale

Gemini 3.1 Pro Preview wins 7 measurable categories, including Throughput, Reasoning, Intelligence, 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 2.1

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 2.1
Anthropic
Top Pick
Google logo Gemini 3.1 Pro Preview
Google
Pricing per 1M tokens
Input Cost $0.00/1M$2.00/1M
Output Cost $0.00/1M$12.00/1M
Blended (3:1) $4.50/1M
Specifications
Organization AnthropicGoogle
Release Date Nov 21, 2023Feb 19, 2026
Performance & Speed
Throughput 135.9 tok/s
TTFT 28145ms
Latency 28145ms
Composite Indices
Value Score 100.0
Reasoning Score 17.265.3
Intelligence 9.357.2
Coding 14.055.5
Standard Benchmarks
GPQA 31.9%94.1%
MMLU Pro 49.5%
HLE 4.2%44.7%
LiveCodeBench 19.5%
MATH 500 37.4%
AIME (Original) 3.3%
SciCode 18.4%58.9%
LCR 72.7%
IFBench 77.1%
TAU-bench v2 95.6%
TerminalBench Hard 53.8%

Key Takeaways

Claude 2.1 offers the best value at $0.00/1M, 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 2.1

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

Gemini 3.1 Pro Preview

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