OpenAI · LLM
GPT-5
OpenAI's next-generation flagship model succeeding GPT-4o.
Capabilities
- ▸advanced reasoning
- ▸coding
- ▸tool use
Use cases
agents · coding · analysis
Lineage
View the full GPT lineage →GPT-5 head-to-head comparisons
- GPT-5 vs GPT-4oGPT-5 vs GPT-4o: OpenAI's unified reasoning model against the fast multimodal model it replaced as ChatGPT's default.
- Grok 4 vs GPT-5Grok 4 leans on live data from X and aggressive reasoning benchmarks; GPT-5 is the more dependable general-purpose engine for products.
- GPT-5 vs Gemini 2.5 ProGPT-5 leads on general reasoning and coding; Gemini 2.5 Pro wins on raw context size and tight integration with Google's stack.
- OpenAI o1 vs GPT-5o1 was the first dedicated reasoning model; GPT-5 folds that reasoning into a general-purpose model that is faster, cheaper and stronger almost everywhere.
- GPT-4 vs GPT-5Generational comparison between GPT-4 (2023) and GPT-5 (2025).
- GPT-5 vs Claude Sonnet 4.5GPT-5 and Claude Sonnet 4.5 target similar frontier assistant workloads but differ on context length, coding posture and agentic tooling.
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Sources & verification
Information is compiled from official announcements, documentation and reputable industry coverage.
Last verified Sep 10, 2026