Claude Opus 5 vs Gemini 3.6 Flash: Specs & Benchmark Comparison
Claude Opus 5 is developed by Anthropic, while Gemini 3.6 Flash comes from Google. Both were released in July 2026.
We have 13 benchmark results for Claude Opus 5 and 7 benchmark results for Gemini 3.6 Flash, but they overlap on a single test: DeepSWE 1.1, where Claude Opus 5 scores 68.8% against 49.0%.
Gemini 3.6 Flash is the cheaper API at $1.50 per million input tokens and $7.50 per million output tokens, roughly 3 times cheaper than Claude Opus 5 at $5 and $25. Both accept a context window of about 1M tokens. Both accept text and images as input.
| Characteristic | Claude Opus 5 | Gemini 3.6 Flash |
|---|---|---|
| Company | Anthropic | |
| Release Date | July 24, 2026 | July 21, 2026 |
| Parameters | — | — |
| Multimodal | Yes | Yes |
| Context (input) | 1.0M | 1.0M |
| Context (output) | 128K | 66K |
| Input Price / 1M | $5.00 | $1.50 |
| Output Price / 1M | $25.00 | $7.50 |
| Average Score | 55.0% | 68.0% |
| Benchmarks | ||
| DeepSWE 1.1 | 68.8% | 49.0% |
Visual Benchmark Comparison
Verdict
Gemini 3.6 Flash leads in 2 out of 4 comparison categories.
Both models show comparable average scores: Claude Opus 5 — 0.5, Gemini 3.6 Flash — 0.7.
Gemini 3.6 Flash is 3.3x cheaper: input $1.50/1M vs $5.00/1M tokens.
Gemini 3.6 Flash supports a larger context: 1M vs 1M tokens.
Both models were released around the same time: 7/24/2026 and 7/21/2026.
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Frequently Asked Questions
Which is better for coding — Claude Opus 5 or Gemini 3.6 Flash?
Which model is cheaper — Claude Opus 5 or Gemini 3.6 Flash?
Which has a larger context window — Claude Opus 5 or Gemini 3.6 Flash?
The Claude Opus 5 and Gemini 3.6 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 5 or Gemini 3.6 Flash page. See also the complete list of AI model comparisons.