Claude 3 Opus vs Gemini 3.1 Pro: Specs & Benchmark Comparison

CharacteristicClaude 3 OpusGemini 3.1 Pro
CompanyAnthropicGoogle
Release DateFebruary 29, 2024February 19, 2026
Parameters
MultimodalYesYes
Context (input)200K1.0M
Context (output)200K66K
Input Price / 1M$15.00$2.50
Output Price / 1M$75.00$15.00
Average Score0.80.8
Benchmarks
GPQA0.50.9

Visual Benchmark Comparison

Claude 3 Opus
Gemini 3.1 Pro
GPQA0.5 vs 0.9
0.5
0.9

Verdict

Gemini 3.1 Pro leads in 3 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude 3 Opus — 0.8, Gemini 3.1 Pro — 0.8.

API Cost

Gemini 3.1 Pro is 5.1x cheaper: input $2.50/1M vs $15.00/1M tokens.

Context Window

Gemini 3.1 Pro supports a larger context: 1M vs 200K tokens.

Recency

Gemini 3.1 Pro is newer: released 2/19/2026 vs 2/29/2024.

More About These Models

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Frequently Asked Questions

Which is better for coding — Claude 3 Opus or Gemini 3.1 Pro?
Direct comparison on the SWE-Bench benchmark is not available. We recommend reviewing other metrics on the comparison page.
Which model is cheaper — Claude 3 Opus or Gemini 3.1 Pro?
Gemini 3.1 Pro is cheaper for input: $2.50 per 1M tokens vs $15.00.
Which has a larger context window — Claude 3 Opus or Gemini 3.1 Pro?
Gemini 3.1 Pro supports a larger context: 1,048,576 tokens vs 200,000.

The Claude 3 Opus and Gemini 3.1 Pro comparison is updated for 2026. Data includes benchmark results, API pricing, context window size and other specifications. For more detailed information, visit the Claude 3 Opus or Gemini 3.1 Pro page. See also the complete list of AI model comparisons.