Updated March 26, 2026· Based on independent benchmark data
Claude Opus 4.5 (Reasoning) and Gemini 3 Pro Preview (high) are virtually tied on intelligence (49.7 vs 48.4). Gemini 3 Pro Preview (high) is 2.5x cheaper at $2.00/1M tokens vs $5.00/1M. For speed, Gemini 3 Pro Preview (high) wins at 115 tok/s vs 57 tok/s.
| Metric | Claude Opus 4.5 (Reasoning) | Gemini 3 Pro Preview (high) |
|---|---|---|
| Intelligence Score | 49.7 | 48.4 |
| Coding Score | 47.8 | 46.5 |
| Math Score | 91.3 | 95.7 |
| Speed (tok/s) | 57 tok/s | 115 tok/s |
| Latency (TTFT) | 10.41s | 36.25s |
| Input Price / 1M tokens | $5.00 | $2.00 |
| Output Price / 1M tokens | $25 | $12 |
| Context Window |
Claude Opus 4.5 (Reasoning) and Gemini 3 Pro Preview (high) perform similarly on overall intelligence, scoring 49.7 and 48.4 respectively. Their coding capabilities are closely matched (47.8 vs 46.5). In mathematical reasoning, Gemini 3 Pro Preview (high) leads with 95.7 compared to Claude Opus 4.5 (Reasoning)'s 91.3.
Gemini 3 Pro Preview (high) generates output significantly faster at 115 tok/s compared to Claude Opus 4.5 (Reasoning)'s 57 tok/s, making it 2.0x faster for streaming responses. Time to first token is 10.41s for Claude Opus 4.5 (Reasoning) vs 36.25s for Gemini 3 Pro Preview (high), which affects perceived responsiveness in interactive applications.
Gemini 3 Pro Preview (high) is more affordable at $2.00/1M input tokens ($12/1M output), while Claude Opus 4.5 (Reasoning) costs $5.00/1M input ($25/1M output). That makes Claude Opus 4.5 (Reasoning) 2.5x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, Claude Opus 4.5 (Reasoning) would cost approximately $30.00/month vs $12.00/month for Gemini 3 Pro Preview (high) in input costs alone.
Choose Gemini 3 Pro Preview (high) when you need faster output (115 tok/s), lower cost.
Claude Opus 4.5 (Reasoning) scores higher on coding benchmarks (47.8 vs 46.5), making it the better choice for programming tasks.
Gemini 3 Pro Preview (high) is cheaper at $2.00/1M input tokens vs $5.00/1M for Claude Opus 4.5 (Reasoning).
Gemini 3 Pro Preview (high) is faster, producing output at 115 tok/s compared to Claude Opus 4.5 (Reasoning)'s 57 tok/s.
No, Claude Opus 4.5 (Reasoning) does not support image input. Neither model supports image input.
Data last synced: March 26, 2026
| N/A |
| N/A |
| Max Output Tokens | N/A | N/A |
| Input Modalities | Text | Text |
| Output Modalities | Text | Text |
| Free Tier | No | No |
Both models perform similarly on intelligence benchmarks. Choose based on specific needs: pricing, speed, context window, or provider ecosystem.