Command A vs GPT-5.4 Mini
Cohere against OpenAI, costed on the same three workloads. GPT-5.4 Mini is cheaper on all three workloads.
Run this comparison on your own numbers
Monthly bill, side by side
| Workload | Command A | GPT-5.4 Mini | Difference |
|---|---|---|---|
| Support chatbot 2,500 six-turn conversations a day |
$9,056 | $3,324 | $5,732 (2.7×) |
| Document summarizer 1,000 single-shot summaries a day |
$1,155 | $383 | $773 (3×) |
| Coding agent 200 twelve-turn sessions a day |
$6,570 | $2,241 | $4,329 (2.9×) |
No prompt caching and no batch discount on either side, so the comparison is like for like. Both figures assume 30 days a month.
The rate cards
| Command A | GPT-5.4 Mini | |
|---|---|---|
| Input, per 1M tokens | $2.5 | $0.75 |
| Output, per 1M tokens | $10 | $4.5 |
| Cached input | not published | $0.075 |
| Context window | 256K | 272K |
| Maximum output | 8K | 128K |
| Reasoning model | no | yes |
| Vision | no | yes |
Beyond the price
- GPT-5.4 Mini reads up to 272K tokens of context in one request; Command A stops at 256K.
- GPT-5.4 Mini can write up to 128K tokens in one response, against 8K for Command A.
- Only GPT-5.4 Mini is a reasoning model, so its output bill also pays for the thinking it does before it answers.
- Only GPT-5.4 Mini accepts images as input.
- Only GPT-5.4 Mini publishes a cached-input rate, which cuts the cost of resending a long, unchanging prompt.
- Only GPT-5.4 Mini offers a batch discount — 50% off both rates for work that can wait.
Run this comparison on your own numbers
Full detail: Command A pricing · GPT-5.4 Mini pricing
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Common questions
Which is cheaper, Command A or GPT-5.4 Mini?
GPT-5.4 Mini is cheaper on all three workloads.
How much would Command A and GPT-5.4 Mini cost each month?
On PromptSpend's standard workloads, per month: support chatbot: Command A $9,056, GPT-5.4 Mini $3,324 (GPT-5.4 Mini is cheaper by $5,732); document summarizer: Command A $1,155, GPT-5.4 Mini $383 (GPT-5.4 Mini is cheaper by $773); coding agent: Command A $6,570, GPT-5.4 Mini $2,241 (GPT-5.4 Mini is cheaper by $4,329). No prompt caching and no batch discount is assumed.
How do Command A and GPT-5.4 Mini differ apart from price?
GPT-5.4 Mini reads up to 272K tokens of context in one request; Command A stops at 256K. GPT-5.4 Mini can write up to 128K tokens in one response, against 8K for Command A. Only GPT-5.4 Mini is a reasoning model, so its output bill also pays for the thinking it does before it answers. Only GPT-5.4 Mini accepts images as input. Only GPT-5.4 Mini publishes a cached-input rate, which cuts the cost of resending a long, unchanging prompt. Only GPT-5.4 Mini offers a batch discount — 50% off both rates for work that can wait.