GPT-4o-mini Search Preview vs GPT-5.4 (Comparative Analysis)
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Comparative Analysis: GPT-4o-mini Search Preview vs. GPT-5.4
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Overview
GPT-4o-mini Search Preview was released 11 months before GPT-5.4.
 GPT-4o-mini Search Preview | GPT-5.4 | |
|---|---|---|
Model Provider The organization behind this AI's development | OpenAI | OpenAI |
Input Context Window Maximum input tokens this model can process at once | 128K tokens | 1.1M tokens |
Output Token Limit Maximum output tokens this model can generate at once | 16.4K tokens | 128K tokens |
Release Date When this model first became publicly available | March 12, 2025 1 year ago March 12th, 2025 | March 5, 2026 4 months ago March 5th, 2026 |
Knowledge Cutoff Latest training-data date reported by the provider | October 31, 2023 | Not reported |
Capabilities & Features
Compare supported features, modalities, and advanced capabilities
GPT-4o-mini Search Preview | GPT-5.4 | |
|---|---|---|
Input Types Supported input formats | 📝Text | 📝Text🖼️Image📁File |
Reasoning Controls Defaults and configurable reasoning effort | Not reported | OptionalEffort: Extra High, High, Medium, Low, NoneDefault: Medium |
Output Types Supported output formats | 📝Text | 📝Text |
Tokenizer Text encoding system | GPT | GPT |
Key Features Advanced capabilities | Function Calling✓Structured OutputReasoning Mode✓Content Moderation | ✓Function Calling✓Structured Output✓Reasoning Mode✓Content Moderation |
Pricing
GPT-4o-mini Search Preview is roughly 0.06x less expensive compared to GPT-5.4 for input tokens and roughly 0.04x less expensive for output tokens.
| GPT-4o-mini Search Preview | GPT-5.4 | |
|---|---|---|
Short Context Pricing Base rates before a long-context threshold applies | ||
Input Token Cost Cost per million input tokens | $0.15 per million tokens | $2.50 per million tokens |
Output Token Cost Cost per million output tokens | $0.60 per million tokens | $15.00 per million tokens |
Web Search Cost Additional cost for each web search operation | $0.0275 per search | $0.01 per search |
Cache Read Cost Cost to reuse cached input tokens | Not specified | $0.25 per million tokens |
Long Context Pricing Rates for prompts with 272,000 or more tokens | ||
Input Token Cost Long-context input cost per million tokens | Not specified | $5.00 per million tokens |
Output Token Cost Long-context output cost per million tokens | Not specified | $22.50 per million tokens |
Cache Read Cost Long-context cache read cost per million tokens | Not specified | $0.50 per million tokens |
Benchmarks
Compare relevant benchmarks between GPT-4o-mini Search Preview and GPT-5.4.
| GPT-4o-mini Search Preview | GPT-5.4 | |
|---|---|---|
Intelligence Index Overall model quality across independent evaluations | Benchmark not available. | 51.4 (Artificial Analysis index; higher is better) |
Coding Index Programming performance across independent evaluations | Benchmark not available. | 71.1 (Artificial Analysis index; higher is better) |
Agentic Index Ability to complete multi-step agentic tasks | Benchmark not available. | 41.1 (Artificial Analysis index; higher is better) |
Best Design Arena Score Highest human-preference Elo score across design arenas | Benchmark not available. | 1,298 Elo (#17 in Game Dev (57.8% win rate)) |
At a Glance
Quick overview of what makes GPT-4o-mini Search Preview and GPT-5.4 unique.
GPT-4o-mini Search Preview by OpenAI generates structured data. It can handle standard conversations with its 128K token context window. Very affordable at $0.15/M input and $0.60/M output tokens. Includes built-in content moderation for safer outputs. Released March 12th, 2025.GPT-5.4 by OpenAI understands both text and images, can use external tools and APIs, offers advanced reasoning, generates structured data. It can handle standard conversations with its 1.1M token context window. Premium pricing at $2.50/M input and $15.00/M output tokens. Includes built-in content moderation for safer outputs. Released March 5th, 2026.Explore More Comparisons
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Compare GPT-5.4 with:
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Content creation and marketing tasks
💻Technology
Technical analysis and explanations
🔬Science
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