GPT-5.5

class A live

OpenAI's current flagship GPT-5.x chat model; ~1M-token context, text+image input, strong reasoning and coding.

Layer 1 — factual axes

API & price	$5.00 / $30.00 per 1M (cached in $0.50)	official	source ↗ 2026-07-04
Context	1M	official	source ↗ 2026-07-04
Weights	closed	official	source ↗ 2026-07-04
Multimodal	text+image	official	source ↗ 2026-07-04
Free tier	limited (chat app)	secondary	source ↗ 2026-07-04

Layer 2 — output quality

55 / 100

Artificial Analysis Intelligence Index ↗ measured 2026-07-04

Eligible for Best free Best for API Multimodal

OpenAI’s current flagship GPT-5.x chat model; ~1M-token context, text+image input, strong reasoning and coding.