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Flagship — best answers, highest costCommercial API
GPT-5.2-Codex Pricing
OpenAI · openai-gpt-5-2-codex
Input / 1M tokens
$1.75
Output / 1M tokens
$14.00
Context window
400k tokens
≈ 533 pages of text
Max output
128k tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0077
1,000 requests / month$7.70/mo10,000 requests / month$77.00/mo100,000 requests / month$770.00/moEstimate your own workloadOpens the calculator with GPT-5.2-Codex preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Excels at long-context code generation, editing, and analysis with a 400k-token window and 128k output limit.
The business tradeoff
Output pricing at $14 per million tokens raises costs for generation-heavy use; commercial API only with no self-hosting option.
Cheaper from OpenAI
Head-to-head
Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.