Claude Opus 4.6 vs Gemini 2.5 Flash
Gemini 2.5 Flash leads in 3 of 8 categories
Arena ELO
Claude Opus 4.6
Cheaper
Gemini 2.5 Flash
Faster
Gemini 2.5 Flash
Detailed Comparison
| Category | Claude Opus 4.6 | Gemini 2.5 Flash |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 1M | 1M |
| Input Price ($/1M) | $5 | $0.3 WIN |
| Output Price ($/1M) | $25 | $2.5 WIN |
| Arena ELO | 1549 WIN | 1362 |
| Coding | 80.8% SWE-bench | unknown |
| Reasoning | 65.4% Terminal-Bench | unknown |
| Speed (tokens/sec) | ~40 t/s | ~150 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Opus 4.6 or Gemini 2.5 Flash?
Gemini 2.5 Flash is approximately 91% cheaper than Claude Opus 4.6 per million tokens.
Which is better for coding, Claude Opus 4.6 or Gemini 2.5 Flash?
Claude Opus 4.6 scores 80.8% SWE-bench on coding benchmarks, while Gemini 2.5 Flash scores unknown.
Which has a larger context window?
Claude Opus 4.6 supports 1M context, while Gemini 2.5 Flash supports 1M.
Is Claude Opus 4.6 or Gemini 2.5 Flash open source?
Claude Opus 4.6 is proprietary. Gemini 2.5 Flash is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Claude Opus 4.6 ranks higher with ELO 1549 vs 1362.
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