OpenAI Released March 12, 2025 Synced Jun 9, 2026

OpenAI: GPT-4o Search Preview

GPT-4o Search Previewis a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.

Text-first snapshot

Why it stands out

128K-token context window handles longer documents and multi-turn conversations without truncation.

What to watch

No tool-use capability is currently tracked, which limits its fit for agentic or function-calling patterns.

Text-only input — image or audio workflows require a separate model in the pipeline.

No benchmark score currently tracked — evaluate using task-specific testing alongside pricing and capability data.

Release timeline

Tracked events for OpenAI: GPT-4o Search Preview.

release

March 12, 2025

GPT-4o Search Previewis a specialized model for web search in Chat Completions. It is trained to understand and execute web search queries.

Nearby alternatives

GPT Chat Latest points to OpenAI's stable API alias `chat-latest` that always resolves to the latest Instant chat model used in ChatGPT. As

GPT-5.5 Pro is OpenAI’s high-capability model optimized for deep reasoning and accuracy on complex, high-stakes workloads. It features a 1M+

GPT-5.5 is OpenAI’s frontier model designed for complex professional workloads, building on GPT-5.4 with stronger reasoning, higher reliabil

[GPT-5.4](https://openrouter.ai/openai/gpt-5.4) Image 2 combines OpenAI's GPT-5.4 model with state-of-the-art image generation capabilities

LaunchMar 12

OpenAI launched OpenAI: GPT-4o Search Preview

Compare