GPT-5
OpenAI's flagship with unified reasoning + fast modes.
OpenAIGPTCtx 400k
OpenAI
GPT
Released 2025-08GPT-5
OpenAI's flagship with unified reasoning + fast modes.
GPT-5 unifies fast and reasoning modes with an internal router, ships massive tool-use gains, and leads on real-world coding evals.
GPT Published 2025-08#openai#llm#review
Context
400k
Input
$1.25/M
Output
$10/M
Released
2025-08
Modalities
Text
Image
Audio
Strengths
- Best reasoning
- Native tools
- Long horizon planning
Best for
Agents
Complex coding
GPT-5 FAQ
Sources & further reading
Cite this page
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APA
Build on Vibe Editorial (2026). GPT-5 OpenAI's flagship with unified reasoning + fast modes.. Build on Vibe. Retrieved from https://buildonvibe.site/models/gpt-5
BibTeX
@misc{bov-models-gpt-5,
title = {GPT-5 OpenAI's flagship with unified reasoning + fast modes.},
author = {Build on Vibe Editorial},
year = {2026},
url = {https://buildonvibe.site/models/gpt-5},
note = {Build on Vibe}
}