GPT-5.4 Mini
by OpenAIopenai/gpt-5.4-mini
LLMCompare cannot run GPT-5.4 Mini yet.No route to this model is configured on this site yet. Its prices and parameters are listed below for reference.
See the models that can be run nowGPT-5.4 Mini at a glance
- Context length
- 400,000 tokens
- Maximum output
- 128,000 tokens
- Accepts
- Text, Image, File
- Returns
- Text
- Features
- ReasoningJSON outputTool callingPrompt cachingImage input
- Reasoning effort levels
xhighhighmediumlownoneReasoning can be turned off.- Released
- 17 Mar 2026
- Knowledge cutoff
- 31 August 2025
Model facts synced from the OpenRouter model list on 21 Oct 2026.
GPT-5.4 Mini pricing by route
A route is the service LLMCompare calls to reach the model. GPT-5.4 Mini has 1 route. Prices are in US dollars.
| Route | On LLMCompare | Inputper 1M tokens | Outputper 1M tokens | Cache readper 1M tokens | Price verified on | Source |
|---|---|---|---|---|---|---|
| OpenRouterDefault | Not configured | $0.75 | $4.50 | $0.075 | openrouter.ai/openai/gpt-5.4-mini |
The cost shown in an LLMCompare report is calculated from these prices as they were at the time of the run.
Cost calculator
Estimate what a batch of calls to GPT-5.4 Mini costs. The starting numbers are examples. Change them to match your task.
Part of the input tokens above, billed at the cache read price.
Billed in addition to the output tokens.
- Cost per call
- $0.003
- 4 credits
- Cost of 100 calls
- $0.30
- 400 credits
Calculated from the OpenRouter prices verified on 21 Oct 2026. Credits are the cost plus a 20% service fee, at $0.001 per credit, rounded up for each call, with a minimum of 1 per call. A real run is charged for the usage the provider reports.
Parameters you can set
These are the parameters LLMCompare can set when it calls the model through OpenRouter.
| Parameter | Type | Range or options | Default |
|---|---|---|---|
max_tokens | Integer | 1 to 128,000 | Provider default |
reasoning_effort | One of | xhighhighmediumlownone | medium |
seed | Integer | -2,147,483,648 to 4,294,967,295 | Provider default |
response_format | One of | textjson_object | Provider default |
About GPT-5.4 Mini
GPT-5.4 mini brings the core capabilities of GPT-5.4 to a faster, more efficient model optimized for high-throughput workloads. It supports text and image inputs with strong performance across reasoning, coding,...
Description as published for this model. LLMCompare has not edited it.
Models to compare with GPT-5.4 Mini
Text models from the same provider and models at the nearest price. The order is not a ranking.
| Add to comparison | Model | Context | Max output | Input priceper 1M tokens | Output priceper 1M tokens | Features | Released | On LLMCompare |
|---|---|---|---|---|---|---|---|---|
o4 Mini HighOpenAIopenai/o4-mini-high | 200k | 100k | $1.10 | $4.40 | ReasoningJSONToolsCacheVision | No route yet | ||
o4 MiniOpenAIopenai/o4-mini | 200k | 100k | $1.10 | $4.40 | JSONToolsCacheVision | No route yet | ||
o3 Mini HighOpenAIopenai/o3-mini-high | 200k | 100k | $1.10 | $4.40 | ReasoningJSONToolsCache | No route yet | ||
GLM 5V TurboZ.aiz-ai/glm-5v-turbo | 203k | 131k | $1.20 | $4.00 | JSONToolsCacheVision | No route yet | ||
GLM 5 TurboZ.aiz-ai/glm-5-turbo | 203k | 131k | $1.20 | $4.00 | JSONToolsCache | No route yet | ||
InklingThinking Machinesthinkingmachines/inkling | 524k | 472k | $1.00 | $4.05 | ReasoningToolsCacheVision | No route yet |
Questions about GPT-5.4 Mini
- How much does GPT-5.4 Mini cost?
- On the OpenRouter route, GPT-5.4 Mini costs $0.75 per 1 million input tokens and $4.50 per 1 million output tokens, in US dollars. Input tokens that GPT-5.4 Mini reads from the prompt cache cost $0.075 per 1 million tokens. LLMCompare verified this price on 21 Oct 2026.
- What is the context length of GPT-5.4 Mini?
- GPT-5.4 Mini has a context length of 400,000 tokens and returns up to 128,000 output tokens in one call.
- What inputs does GPT-5.4 Mini accept?
- GPT-5.4 Mini accepts these inputs: Text, Image, File. GPT-5.4 Mini returns: Text.
- Which reasoning effort levels does GPT-5.4 Mini support?
- GPT-5.4 Mini supports these reasoning effort levels: xhigh, high, medium, low, none. Reasoning can be turned off for GPT-5.4 Mini.
- Can I test GPT-5.4 Mini on my own data?
- Not yet. LLMCompare lists the prices and parameters of GPT-5.4 Mini, but no route to GPT-5.4 Mini is configured on LLMCompare, so it cannot be selected for an evaluation.