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OpenAI: GPT-5 Pro API Pricing
GPT-5 Pro is OpenAI’s most advanced model, offering major improvements in reasoning, code quality, and user experience. It is optimized for complex tasks that require step-by-step reasoning, instruction following, and...
How much does OpenAI: GPT-5 Pro cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-5 Pro costs about $390 ($150 input + $240 output). Try your own volumes in the cost calculator.
What is the official OpenAI: GPT-5 Pro price?
| Official (openai) | Catalog (OpenRouter) | |
|---|---|---|
| Input /1M | $15 | $15 |
| Output /1M | $120 | $120 |
| Cached input /1M | — | — |
✓ Matches the official list price. Source: openai official pricing page, checked 2026-10-21.
What are cheaper alternatives to OpenAI: GPT-5 Pro?
- OpenAI: GPT-5.5 Pro (batch) — $15 in / $90 out per 1M
- OpenAI: GPT-5.4 Pro (batch) — $15 in / $90 out per 1M
- OpenAI: o3 Pro — $20 in / $80 out per 1M
- OpenAI: GPT-5.2 Pro (batch) — $10.5 in / $84 out per 1M
- Anthropic: Claude Opus 4.1 — $15 in / $75 out per 1M
- OpenAI: GPT-4 — $30 in / $60 out per 1M
Compare OpenAI: GPT-5 Pro with other models
OpenAI: GPT-5 Pro vs OpenAI: gpt-oss-20bOpenAI: GPT-5 Pro vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-5 Pro vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-5 Pro vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-5 Pro vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-5 Pro vs OpenAI: GPT-6 Luna Pro (batch)
Frequently asked questions
How much does OpenAI: GPT-5 Pro cost?
OpenAI: GPT-5 Pro costs $15 per 1M input tokens and $120 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $390.
What is the context window of OpenAI: GPT-5 Pro?
OpenAI: GPT-5 Pro has a context window of 400,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-5 Pro?
Cheaper models include OpenAI: GPT-5.5 Pro (batch) ($15 in / $90 out), OpenAI: GPT-5.4 Pro (batch) ($15 in / $90 out), OpenAI: o3 Pro ($20 in / $80 out). See the full list on this page.
Is OpenAI: GPT-5 Pro free to use?
No. OpenAI: GPT-5 Pro is a paid model at $15 input / $120 output per 1M tokens. 20 free models are listed on the free models page.
What is the official price of OpenAI: GPT-5 Pro?
On openai's official pricing page (checked 2026-10-21), OpenAI: GPT-5 Pro is listed at $15 per 1M input tokens and $120 per 1M output tokens. The catalog price tracked on this page matches it exactly.
Provider: openai · Model ID: openai/gpt-5-pro · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices