GPT-5

GPT-5 is OpenAI's fifth-generation multimodal large language model, released on February 16, 2026. It accepts text and image inputs and generates text, succeeding GPT-4. Upon release, it achieved an Arena Elo score of 1450 on the LMSYS Chatbot Arena leaderboard and a SWE-bench Verified score of 80.0%, according to OpenAI's published technical report. By comparison, GPT-4 Turbo posted an Arena Elo of 1250 and a SWE-bench Verified score of 67.0% in the same evaluation framework. API pricing was set at $1.75 per million input tokens and $14.00 per million output tokens. GPT-5 matters now because its February 2026 debut marks a measurable leap in reasoning and coding capabilities, establishing a new empirical baseline in public, third-party-evaluated benchmarks and directly shaping the competitive landscape against contemporaneous frontier models from Anthropic and Google DeepMind.

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