Comparative Study of GPT-5.4 Model Pricing
1) Executive summary
OpenAI’s published API pricing places gpt-5.4-nano at the low-cost end, gpt-5.4-mini as a middle option, gpt-5.4 as the standard frontier model, and gpt-5.4-pro as the premium tier. The pricing spread is substantial: on standard API pricing, nano is far cheaper than the base model, while pro is materially more expensive than all other variants. OpenAI also notes a 10% uplift for regional processing endpoints on these four API models.
“GPT-5.4 Instant” is not listed by OpenAI as a standalone public API model name. In ChatGPT, the Instant mode can automatically choose between GPT-5.3 Instant and GPT-5.4 Thinking, so its pricing is not published as a separate token-based line item.
2) Pricing table
| Model / mode | Official pricing status | Standard API price (per 1M tokens) |
Batch / alternate pricing | Important note |
|---|---|---|---|---|
| Nano | Officially priced API model | Input $0.20 · Cached input $0.02 · Output $1.25 | Batch: same pricing shown for the model family on the pricing page | Cheapest of the five names in this comparison. |
| Mini | Officially priced API model | Input $0.75 · Cached input $0.075 · Output $4.50 | Batch: same pricing shown for the model family on the pricing page | About 3× cheaper than GPT-5.4 on input/output, while still positioned for coding, computer use, and subagents. |
| GPT-5.4 | Officially priced API model | Input $2.50 · Cached input $0.25 · Output $15.00 | Batch: Input $1.25 · Cached input $0.13 · Output $7.50 | OpenAI’s standard frontier option for complex professional work. |
| Instant | No standalone public API price found | Not separately published | Not separately published | In ChatGPT, Instant can switch between GPT-5.3 Instant and GPT-5.4 Thinking, so it is a routing mode rather than a clearly priced API model. |
| Thinking | ChatGPT model mode; API pricing not listed under this exact name in the sources consulted | Uses GPT-5.4 family pricing in API contexts where GPT-5.4 is the priced model | Batch/Flex/Priority available for GPT-5.4 family pricing | In ChatGPT, Thinking is the deeper-reasoning experience and can be selected directly. |
| Pro | Officially priced premium API model | Input $30.00 · Output $180.00 | Batch: Input $15.00 · Output $90.00 | By far the most expensive model in this set. |
3) Comparative findings
- GPT-5.4 nano is the best fit when token cost is the dominant constraint. Its published input price is $0.20 per 1M tokens and output price is $1.25 per 1M tokens.
- GPT-5.4 mini is a strong middle ground. It costs about 30% of GPT-5.4’s standard input price and about 30% of GPT-5.4’s standard output price.
- GPT-5.4 is the baseline frontier model in the family and is priced much higher than mini/nano, but far below pro.
- GPT-5.4 pro is priced as a premium model for tough tasks. Standard input is $30.00 and output is $180.00 per 1M tokens, making it roughly 12× the standard GPT-5.4 price on both input and output.
- GPT-5.4 instant does not have a standalone public per-token line in the sources reviewed, so a direct apples-to-apples price comparison is not available.
- GPT-5.4 Thinking is best understood as a ChatGPT mode with deeper reasoning behavior; in the pricing sources reviewed, the directly billed API model is GPT-5.4 rather than a separate “Thinking” SKU.
4) Practical reading of the pricing ladder
The pricing structure is easy to interpret: nano is for maximum cost control, mini balances price and capability, GPT-5.4 is the general-purpose frontier model, and pro targets the highest-quality outcomes for complex work regardless of cost. For teams with large usage volumes, even a small per-token difference matters quickly; for example, moving from GPT-5.4 to mini or nano can substantially reduce spend at scale.
The pricing page also shows additional purchasing modes. For GPT-5.4 and GPT-5.4 mini, Batch, Flex, and Priority pricing appear as separate options. OpenAI also states that regional processing (data residency) endpoints carry a 10% uplift for GPT-5.4, GPT-5.4 mini, GPT-5.4 nano, and GPT-5.4 pro.
5) Bottom line
If the goal is lowest cost, choose GPT-5.4 nano. If the goal is the best compromise between quality and price, choose GPT-5.4 mini. If the goal is the main frontier model for professional work, choose GPT-5.4. If the goal is maximum performance and cost is secondary, choose GPT-5.4 pro. For GPT-5.4 instant and GPT-5.4 Thinking, OpenAI’s published ChatGPT documentation describes them as mode-based experiences rather than separately itemized token-priced API models.
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