GPT-4o-mini Search Preview vs Grok 4.5
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 GPT-4o-mini Search Preview and Grok 4.5.
GPT-4o-mini Search Preview
GPT-4o mini Search Preview is a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.
Grok 4.5
Grok 4.5 is SpaceXAI's smartest model with frontier performance on coding, knowledge work, and STEM.
Technical Specifications
| Specification | GPT-4o-mini Search Preview | Grok 4.5 |
|---|---|---|
| Provider | OpenAI | xAI |
| Context Window | 128,000 tokens | 500,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-03-12 | 2026-07-08 |
API Pricing Comparison
Input Price per Million Tokens
GPT-4o-mini Search Preview
$0.15
Grok 4.5
$2.00
Output Price per Million Tokens
GPT-4o-mini Search Preview
$0.60
Grok 4.5
$6.00
Want to test both models live?
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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.
GPT-4o-mini Search Preview Quirks & Gotchas
No developer gotchas reported.
Grok 4.5 Quirks & Gotchas
No developer gotchas reported.