Balanced tier

GPT-5.3-Codex

Name: GPT-5.3-Codex
Brand: OpenAI
Price: 4.8125 USD
Availability: InStock

OpenAI · IFX basket

Balanced workhorse — mainstream production tier.

Pricing — USD per 1M tokens

as of 2026-06-21

Input: $1.75
Output: $14.00
Blended (3:1): $4.81

Output:input ratio 8.0×

Capability

44AA Intelligence Index vaa-intelligence-index-v4.1 · xhigh effort

Source: artificial-analysis · last updated 2026-06-18

Similar-priced peers

Closest models by 3:1 blended price across the full IFX universe.

OpenAI: GPT-5.3 ChatOpenAI$4.81/1M
OpenAI: GPT-5.2 ChatOpenAI$4.81/1M
OpenAI: GPT-5.2OpenAI$4.81/1M
Amazon: Nova Premier 1.0Amazon$5.00/1M
AionLabs: Aion-1.0Aion Labs$5.00/1M

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Prices are list rates per 1M tokens, refreshed daily. See the methodology for how the blended figure is computed and how this model joins the IFX basket (or the wider universe). Models tracked: 297 · Capability scores keyed: 54.