Key Takeaways
Claude Opus 4.5 wins:
- No clear advantages in compared metrics
Gemini 3 Pro Preview wins:
- Cheaper input tokens
- Cheaper output tokens
- Larger context window
- Faster response time
- Higher intelligence benchmark
- Better at coding
- Better at math
Price Advantage
Gemini 3 Pro Preview
Benchmark Advantage
Gemini 3 Pro Preview
Context Window
Gemini 3 Pro Preview
Speed
Gemini 3 Pro Preview
Pricing Comparison
Price Comparison
| Metric | Claude Opus 4.5 | Gemini 3 Pro Preview | Winner |
|---|---|---|---|
| Input (per 1M tokens) | $5.00 | $2.00 | Gemini 3 Pro Preview |
| Output (per 1M tokens) | $25.00 | $12.00 | Gemini 3 Pro Preview |
| Cache Read (per 1M) | $0.50 | $0.20 | Gemini 3 Pro Preview |
| Cache Write (per 1M) | $6.25 | $0.38 | Gemini 3 Pro Preview |
Using a 3:1 input/output ratio, Gemini 3 Pro Preview is 55% cheaper overall.
Claude Opus 4.5 Providers
No provider data available
Gemini 3 Pro Preview Providers
No provider data available
Benchmark Comparison
6
Benchmarks Compared
0
Claude Opus 4.5 Wins
6
Gemini 3 Pro Preview Wins
Benchmark Scores
| Benchmark | Claude Opus 4.5 | Gemini 3 Pro Preview | Winner |
|---|---|---|---|
Intelligence Index Overall intelligence score | 43.1 | 48.4 | |
Coding Index Code generation & understanding | 42.9 | 46.5 | |
Math Index Mathematical reasoning | 62.7 | 95.7 | |
MMLU Pro Academic knowledge | 88.9 | 89.8 | |
GPQA Graduate-level science | 81.0 | 90.8 | |
LiveCodeBench Competitive programming | 73.8 | 91.7 |
Gemini 3 Pro Preview shows stronger mathematical reasoning abilities.
Cost vs Quality
X-axis:
Y-axis:
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Claude Opus 4.5
Other models
Context & Performance
Context Window
Claude Opus 4.5
200,000
tokens
Gemini 3 Pro Preview
1,048,576
tokens
Gemini 3 Pro Preview has a 81% larger context window.
Speed Performance
| Metric | Claude Opus 4.5 | Gemini 3 Pro Preview | Winner |
|---|---|---|---|
| Tokens/second | 63.2 tok/s | 120.7 tok/s | |
| Time to First Token | 1.33s | 21.59s |
Gemini 3 Pro Preview responds 91% faster on average.
Capabilities
Feature Comparison
| Feature | Claude Opus 4.5 | Gemini 3 Pro Preview |
|---|---|---|
| Vision (Image Input) | ||
| Tool/Function Calls | ||
| Reasoning Mode | ||
| Audio Input | ||
| Audio Output | ||
| PDF Input | ||
| Prompt Caching | ||
| Web Search |
License & Release
| Property | Claude Opus 4.5 | Gemini 3 Pro Preview |
|---|---|---|
| License | Proprietary | Proprietary |
| Author | Anthropic | |
| Released | Nov 2025 | Nov 2025 |
Claude Opus 4.5 Modalities
Input
fileimagetext
Output
text
Gemini 3 Pro Preview Modalities
Input
textimagefileaudiovideo
Output
text