Claude Opus Latest vs o3
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 Latest and o3.
Claude Opus Latest
This model always redirects to the latest model in the Claude Opus family.
o3
o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....
Technical Specifications
| Specification | Claude Opus Latest | o3 |
|---|---|---|
| Provider | Anthropic | OpenAI |
| Context Window | 1,000,000 tokens | 200,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | stable |
| API Available | Yes | Yes |
| Released Date | 2026-04-21 | 2025-04-16 |
API Pricing Comparison
Input Price per Million Tokens
Claude Opus Latest
$5.00
o3
$2.00
Output Price per Million Tokens
Claude Opus Latest
$25.00
o3
$8.00
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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 Opus Latest Quirks & Gotchas
No developer gotchas reported.
o3 Quirks & Gotchas
No developer gotchas reported.