AI Cost Calculator / Model pricing

Gpt 5.3 pricing per token
OpenAI
frontier

Gpt 5.3 costs $1.75 per 1M input tokens and $14.00 per 1M output tokens (list pricing as of 2026-08-15, sourced from OpenAI). See the full rate card below and project your monthly spend in the calculator.

Rate card

Input$1.75 / 1M tokens
Output$14.00 / 1M tokens
Cache read$0.175 / 1M tokens
Cache writeNot published
Context window128,000 tokens
Max output16,384 tokens

Official source: OpenAI pricing page . Batch API discounts (typically 50%) are available via the calculator's Batch mode.

What would it cost you per month?

A chat app making 500 calls/day at 1.2K input + 400 output tokens spends roughly $115.50/mo on Gpt 5.3. Enter your real workload for an exact projection and to compare against other models.

Calculate Gpt 5.3 monthly cost →

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