gpt-5.3-codex-spark vs deepseek-v4-flash API price comparison

Compare gpt-5.3-codex-spark vs deepseek-v4-flash cheapest routes, input/output prices, shared platforms, cache coverage, and crawl freshness.

Latest crawl: Sep 6, 2026 路 shared platforms: 3

Price verdict

gpt-5.3-codex-spark is about 15% cheaper than deepseek-v4-flash on the cheapest listed combined route, making it the first cost-sensitive option to inspect.

gpt-5.3-codex-spark cheapest

0.28 USD/M tokens

TokenMarket

deepseek-v4-flash cheapest

0.33 USD/M tokens

Xcode Best

Platform coverage

8/12

Listed platform count for each model.

Cache coverage

100%/100%

Share of routes that publish cache read or write prices.

Model snapshots

  • gpt-5.3-codex-spark

    OpenAI 路 coding

    Cheapest combined route: TokenMarket at 0.28 USD/M tokens.

    Lowest input: 0.03 USD/M tokens 路 lowest output: 0.25 USD/M tokens

  • deepseek-v4-flash

    DeepSeek 路 chat

    Cheapest combined route: Xcode Best at 0.33 USD/M tokens.

    Lowest input: 0.11 USD/M tokens 路 lowest output: 0.22 USD/M tokens

Shared platform comparison

Platformgpt-5.3-codex-sparkdeepseek-v4-flashLower route
Xcode Best 0.71 USD/M tokens 0.33 USD/M tokens deepseek-v4-flash
Qianduoduo 15.75 USD/M tokens 0.78 USD/M tokens deepseek-v4-flash
ClaudeCN 7.88 USD/M tokens 10.80 USD/M tokens gpt-5.3-codex-spark

Continue comparing

gpt-5.3-codex-spark 路 deepseek-v4-flash 路 ratio ranking