Claude Opus 4.5 vs Gemini 3.1 Flash Lite
Gemini 3.1 Flash Lite leads in 5 of 8 categories
Arena ELO
Gemini 3.1 Flash Lite
Cheaper
Gemini 3.1 Flash Lite
Faster
Gemini 3.1 Flash Lite
Detailed Comparison
| Category | Claude Opus 4.5 | Gemini 3.1 Flash Lite |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 200K | 1M WIN |
| Input Price ($/1M) | $5 | $0.1 WIN |
| Output Price ($/1M) | $25 | $0.4 WIN |
| Arena ELO | 1380 | 1492 WIN |
| Coding | 80.9% SWE-bench | unknown |
| Reasoning | unknown | unknown |
| Speed (tokens/sec) | ~35 t/s | ~200 t/s WIN |
| Open Source | No | No |
Frequently Asked Questions
Which is cheaper, Claude Opus 4.5 or Gemini 3.1 Flash Lite?
Gemini 3.1 Flash Lite is approximately 98% cheaper than Claude Opus 4.5 per million tokens.
Which is better for coding, Claude Opus 4.5 or Gemini 3.1 Flash Lite?
Claude Opus 4.5 scores 80.9% SWE-bench on coding benchmarks, while Gemini 3.1 Flash Lite scores unknown.
Which has a larger context window?
Claude Opus 4.5 supports 200K context, while Gemini 3.1 Flash Lite supports 1M.
Is Claude Opus 4.5 or Gemini 3.1 Flash Lite open source?
Claude Opus 4.5 is proprietary. Gemini 3.1 Flash Lite is proprietary.
Which ranks higher on the Chatbot Arena leaderboard?
Gemini 3.1 Flash Lite ranks higher with ELO 1492 vs 1380.
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