Claude Opus 4.6 vs Gemini 3 Flash: Specs & Benchmark Comparison
| Characteristic | Claude Opus 4.6 | Gemini 3 Flash |
|---|---|---|
| Company | Anthropic | |
| Release Date | February 4, 2026 | December 16, 2025 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | 66K |
| Input Price / 1M | $5.00 | $0.50 |
| Output Price / 1M | $25.00 | $3.00 |
| Average Score | 0.8 | 0.9 |
| Benchmarks | ||
| GPQA | 0.9 | 0.9 |
| AIME 2025 | 1.0 | 1.0 |
Visual Benchmark Comparison
Claude Opus 4.6
Gemini 3 Flash
GPQA0.9 vs 0.9
0.9
0.9
AIME 20251.0 vs 1.0
1.0
1.0
Verdict
Gemini 3 Flash leads in 2 out of 4 comparison categories.
Overall Performance
Both models show comparable average scores: Claude Opus 4.6 — 0.8, Gemini 3 Flash — 0.9.
API Cost
Gemini 3 Flash is 8.6x cheaper: input $0.50/1M vs $5.00/1M tokens.
Context Window
Gemini 3 Flash supports a larger context: 1M vs 1M tokens.
Recency
Claude Opus 4.6 is newer: released 2/4/2026 vs 12/16/2025.
More About These Models
Related Comparisons
Frequently Asked Questions
Which is better for coding — Claude Opus 4.6 or Gemini 3 Flash?
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 4.6 or Gemini 3 Flash?
Gemini 3 Flash is cheaper for input: $0.50 per 1M tokens vs $5.00.
Which has a larger context window — Claude Opus 4.6 or Gemini 3 Flash?
Gemini 3 Flash supports a larger context: 1,048,576 tokens vs 1,000,000.
The Claude Opus 4.6 and Gemini 3 Flash 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 4.6 or Gemini 3 Flash page. See also the complete list of AI model comparisons.