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OpenAI: GPT-5.4 API Pricing
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
How much does OpenAI: GPT-5.4 cost for a real workload?
At 10M input + 2M output tokens per month, OpenAI: GPT-5.4 costs about $55 ($25 input + $30 output). Try your own volumes in the cost calculator.
What is the official OpenAI: GPT-5.4 price?
| Official (openai) | Catalog (OpenRouter) | |
|---|---|---|
| Input /1M | $2.5 | $2.5 |
| Output /1M | $15 | $15 |
| Cached input /1M | $0.25 | $0.25 |
✓ Matches the official list price. Source: openai official pricing page, checked 2026-10-21.
What are cheaper alternatives to OpenAI: GPT-5.4?
- MoonshotAI: Kimi Latest — $0.238 in / $16 out per 1M
- Qwen: Qwen3.8 Max Prime — $4 in / $12 out per 1M
- OpenAI: GPT-5.3-Codex — $1.75 in / $14 out per 1M
- OpenAI: GPT-5.2-Codex — $1.75 in / $14 out per 1M
- OpenAI: GPT-5.2 Chat — $1.75 in / $14 out per 1M
- OpenAI: GPT-5.2 — $1.75 in / $14 out per 1M
Compare OpenAI: GPT-5.4 with other models
OpenAI: GPT-5.4 vs OpenAI: gpt-oss-20bOpenAI: GPT-5.4 vs OpenAI: gpt-oss-20b (batch)OpenAI: GPT-5.4 vs OpenAI: gpt-oss-120b (batch)OpenAI: GPT-5.4 vs OpenAI: GPT-5 Nano (batch)OpenAI: GPT-5.4 vs OpenAI: GPT-4.1 Nano (batch)OpenAI: GPT-5.4 vs OpenAI: GPT-6 Luna Pro (batch)
Frequently asked questions
How much does OpenAI: GPT-5.4 cost?
OpenAI: GPT-5.4 costs $2.5 per 1M input tokens and $15 per 1M output tokens (list price, snapshot October 21, 2026). At 10M input + 2M output tokens per month that is about $55.
What is the context window of OpenAI: GPT-5.4?
OpenAI: GPT-5.4 has a context window of 1,050,000 tokens and can return up to 128,000 output tokens per response.
What are cheaper alternatives to OpenAI: GPT-5.4?
Cheaper models include MoonshotAI: Kimi Latest ($0.238 in / $16 out), Qwen: Qwen3.8 Max Prime ($4 in / $12 out), OpenAI: GPT-5.3-Codex ($1.75 in / $14 out). See the full list on this page.
Is OpenAI: GPT-5.4 free to use?
No. OpenAI: GPT-5.4 is a paid model at $2.5 input / $15 output per 1M tokens. 20 free models are listed on the free models page.
What is the official price of OpenAI: GPT-5.4?
On openai's official pricing page (checked 2026-10-21), OpenAI: GPT-5.4 is listed at $2.5 per 1M input tokens and $15 per 1M output tokens. The catalog price tracked on this page matches it exactly.
Provider: openai · Model ID: openai/gpt-5.4 · Modality: text+image+file->text · Price snapshot October 21, 2026, refreshed daily. How we collect prices