Claude 3 Opus vs Gemini 3.1 Pro 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 3 Opus and Gemini 3.1 Pro Preview.
Claude 3 Opus
Claude 3 Opus is Anthropic's most powerful model from the first Claude 3 generation, engineered for deep analysis, comprehensive research, and demanding multi-step task execution. Released in March 2024, it represented the frontier of Anthropic's capabilities at the time, with a 200,000-token context window suitable for processing large documents, synthesizing diverse research sources, and generating expert-level written content. Priced at $15/MTok for input, Claude 3 Opus remains available for teams with specific requirements for Claude 3-generation behavior, though most use cases are better served by the improved Claude 4 series.
Gemini 3.1 Pro Preview
Gemini 3.1 Pro Preview is Google’s frontier reasoning model, delivering enhanced software engineering performance, improved agentic reliability, and more efficient token usage across complex workflows. Building on the multimodal foundation...
Technical Specifications
| Specification | Claude 3 Opus | Gemini 3.1 Pro Preview |
|---|---|---|
| Provider | Anthropic | |
| Context Window | 200,000 tokens | 1,048,576 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | N/A | managed api |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2024-03-04 | 2026-02-19 |
API Pricing Comparison
Input Price per Million Tokens
Claude 3 Opus
$15.00
Gemini 3.1 Pro Preview
$2.00
Output Price per Million Tokens
Claude 3 Opus
$75.00
Gemini 3.1 Pro Preview
$12.00
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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 3 Opus Quirks & Gotchas
No developer gotchas reported.
Gemini 3.1 Pro Preview Quirks & Gotchas
No developer gotchas reported.