Claude Opus 5 vs Gemini 3 Pro: Specs & Benchmark Comparison

CharacteristicClaude Opus 5Gemini 3 Pro
CompanyAnthropicGoogle
Release DateJuly 24, 2026November 17, 2025
Parameters
MultimodalYesYes
Context (input)1.0M1.0M
Context (output)128K66K
Input Price / 1M$5.00$2.00
Output Price / 1M$25.00$12.00
Average Score0.60.9

Verdict

Gemini 3 Pro leads in 2 out of 4 comparison categories.

Overall Performance

Both models show comparable average scores: Claude Opus 5 — 0.6, Gemini 3 Pro — 0.9.

API Cost

Gemini 3 Pro is 2.1x cheaper: input $2.00/1M vs $5.00/1M tokens.

Context Window

Gemini 3 Pro supports a larger context: 1M vs 1M tokens.

Recency

Claude Opus 5 is newer: released 7/24/2026 vs 11/17/2025.

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Frequently Asked Questions

Which is better for coding — Claude Opus 5 or Gemini 3 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 Opus 5 or Gemini 3 Pro?
Gemini 3 Pro is cheaper for input: $2.00 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 5 or Gemini 3 Pro?
Gemini 3 Pro supports a larger context: 1,048,576 tokens vs 1,000,000.

The Claude Opus 5 and Gemini 3 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 Opus 5 or Gemini 3 Pro page. See also the complete list of AI model comparisons.