GPT-5 Mini token cost

When to use GPT-5 Mini

Lower-cost GPT-5 tier for high-volume chat and light reasoning. Good default when GPT-5 is overkill but you still want the GPT-5 family tokenizer (Exact in TokenCalculator).

Pricing

Input

$0.250/1M

Output

$2.00/1M

Cached input

$0.025/1M

Batch input

$0.125/1M

Verified

2026-08-12

Official pricing source · Open main calculator · Cheaper long context models

Estimate with TokenCalculator

Preselect GPT-5 Mini in the calculator to count tokens and project request or monthly cost. Exact vs Approx follows this model's tokenizer family. See the Exact vs Approx guide for honesty rules.

Estimate cost for GPT-5 Mini · Count tokens · Pricing guide

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Related tools

Estimate API cost · Count tokens · Check context fit · Estimate cache savings · Compare batch pricing · Token visualizer

Related guides

LLM API pricing · Exact vs Approx · OpenAI token calculator · o200k vs cl100k: which OpenAI encoding counts your text?

Sources and references

Official documentation used for definitions, counting methods, or rate cards. Always confirm critical budgets on the provider page.

• OpenAI official pricing