Model Comparison

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
vs. Gemini 3.1 Pro Preview

Comparing 2 AI models · 7 benchmarks · Anthropic, Google

Recommended Pick

Google logoGemini 3.1 Pro Preview16 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

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

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 1.5x cheaper on input tokens than Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort).

Speed gap

Gemini 3.1 Pro Preview generates about 1.8x as many tokens per second as Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort).

Reasoning gap

Gemini 3.1 Pro Preview leads Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) by 6.9 points on reasoning.

Coding gap

Gemini 3.1 Pro Preview leads Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort) by 5.8 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 Sonnet 4.6 (Adaptive Reasoning, Max Effort)

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?

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Full Comparison

Metric
Anthropic logoClaude Sonnet 4.6 (Adaptive Reasoning, Max Effort)
Anthropic
Top Pick
Google logoGemini 3.1 Pro Preview
Google
Pricing per 1M tokens
Input Cost$3.00/1M$2.00/1M
Output Cost$15.00/1M$12.00/1M
Blended (3:1)$6.00/1M$4.50/1M
Specifications
OrganizationAnthropicGoogle
Release DateFeb 17, 2026Feb 19, 2026
Performance & Speed
Throughput71.5 tok/s130.5 tok/s
TTFT84306ms17502ms
Latency84306ms17502ms
Composite Indices
Value Score66.7100.0
Reasoning Score54.961.8
Intelligence47.246.5
Coding63.068.8
Standard Benchmarks
GPQA87.5%94.1%
HLE30.0%44.7%
SciCode46.8%58.9%
LCR70.7%72.7%
IFBench56.6%77.1%
TAU-bench v275.7%95.6%
TerminalBench Hard53.0%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 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

Anthropic logo

Claude Sonnet 4.6 (Adaptive Reasoning, Max Effort)

  • 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