Claude Opus 4.5 vs Gemini 3.1 Flash Lite Preview
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Opus 4.5 and Gemini 3.1 Flash Lite Preview.
Claude Opus 4.5
Claude Opus 4.5 is Anthropic’s frontier reasoning model optimized for complex software engineering, agentic workflows, and long-horizon computer use. It offers strong multimodal capabilities, competitive performance across real-world coding and...
Gemini 3.1 Flash Lite Preview
Gemini 3.1 Flash Lite Preview is Google's high-efficiency model optimized for high-volume use cases. It outperforms Gemini 2.5 Flash Lite on overall quality and approaches Gemini 2.5 Flash performance across...
Technical Specifications
| Specification | Claude Opus 4.5 | Gemini 3.1 Flash Lite Preview |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 200,000 tokens | 1,048,576 tokens |
| Agent Suitability | 93/100 | N/A |
| Time to First Token (TTFT) | 550 ms | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2025-11-24 | 2026-03-03 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus 4.5
$5.00
Gemini 3.1 Flash Lite Preview
$0.25
Output Price per Million Tokens
Claude Opus 4.5
$25.00
Gemini 3.1 Flash Lite Preview
$1.50
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Opus 4.5 Quirks & Gotchas
- ▸Deep analytical reasoning — best for structured problem-solving
- ▸200K context is limiting compared to 1M of Opus 4.6+ — upgrade for long-document tasks
Gemini 3.1 Flash Lite Preview Quirks & Gotchas
No developer gotchas reported.