GPT-5

by OpenAI

GPT-5 family

Parameters

—

Context window

400K tokens

Released

2025-08-01

Input price / 1M tok

$15.00

Output price / 1M tok

$60.00

Modality

multimodal, vision, audio, tools

About GPT-5

OpenAI's flagship. Unified reasoning + multimodal model with dynamic 'router' that picks compute per query, so latency scales with difficulty. Strong at agents, math, and code; native voice and image.

Strengths

Native multimodal (text, image, audio)
Dynamic reasoning router
Wide developer ecosystem
400K context

Weaknesses

Pricing tiers can be confusing
Guardrails occasionally over-refuse
API rate-limits tight at low tiers

Best for

AgentsVoice assistantsCodingVision Q&A

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