gpt-5.3-codex vs gemini-2.5-pro API price comparison

Compare gpt-5.3-codex vs gemini-2.5-pro cheapest routes, input/output prices, shared platforms, cache coverage, and crawl freshness.

Latest crawl: Sep 6, 2026 路 shared platforms: 8

Price verdict

gpt-5.3-codex is about 52% cheaper than gemini-2.5-pro on the cheapest listed combined route, making it the first cost-sensitive option to inspect.

gpt-5.3-codex cheapest

0.81 USD/M tokens

Micu

gemini-2.5-pro cheapest

1.68 USD/M tokens

Xcode Best

Platform coverage

11/11

Listed platform count for each model.

Cache coverage

82%/64%

Share of routes that publish cache read or write prices.

Model snapshots

  • gpt-5.3-codex

    OpenAI 路 coding

    Cheapest combined route: Micu at 0.81 USD/M tokens.

    Lowest input: 0.09 USD/M tokens 路 lowest output: 0.72 USD/M tokens

  • gemini-2.5-pro

    Google 路 chat

    Cheapest combined route: Xcode Best at 1.68 USD/M tokens.

    Lowest input: 0.19 USD/M tokens 路 lowest output: 1.49 USD/M tokens

Shared platform comparison

Platformgpt-5.3-codexgemini-2.5-proLower route
Micu 0.81 USD/M tokens 3.65 USD/M tokens gpt-5.3-codex
Yunwu 9.45 USD/M tokens 11.25 USD/M tokens gpt-5.3-codex
AIHubMix 15.75 USD/M tokens 11.25 USD/M tokens gemini-2.5-pro
Atlas Cloud 15.75 USD/M tokens 11.25 USD/M tokens gemini-2.5-pro
Crazyrouter 15.75 USD/M tokens 11.25 USD/M tokens gemini-2.5-pro
DMXAPI 39.09 USD/M tokens 11.25 USD/M tokens gemini-2.5-pro
Qianduoduo 15.75 USD/M tokens 675.00 USD/M tokens gpt-5.3-codex
PackyCode 78.75 USD/M tokens 33.75 USD/M tokens gemini-2.5-pro

Continue comparing

gpt-5.3-codex 路 gemini-2.5-pro 路 ratio ranking