GPT-5.4 Mini API

GPT-5.4 Mini is a large language model by OpenAI, available on the Venice API as openai-gpt-54-mini. Requests are anonymized, so the provider never sees your identity.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, and tool use.

GPT-5.4 Mini API pricing

Model ID	Variant	Privacy	Price
`openai-gpt-54-mini`	Standard	Anonymized	$0.94 input /$ 5.63 output per 1M tokens

GPT-5.4 Mini specifications

Spec	Value
Provider	OpenAI
Released	Mar 27, 2026
Privacy	Anonymized
Context window	400K tokens
Max output	125K tokens
Reasoning effort	none, low, medium, high, xhigh

How to use the GPT-5.4 Mini API

Send requests to POST https://api.venice.ai/api/v1/responses with "model": "openai-gpt-54-mini" and your API key.

curl https://api.venice.ai/api/v1/responses \
  -H "Authorization: Bearer $VENICE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "openai-gpt-54-mini",
    "input": "Explain TEE attestation in two sentences.",
    "reasoning": { "effort": "high" }
  }'

GPT-5.4 Mini API FAQ

How much does the GPT-5.4 Mini API cost?

0.94 per 1M input tokens and

5.63 per 1M output tokens, with cached input at $0.094 per 1M. Prices are in USD and can be paid in DIEM at parity.

What is the GPT-5.4 Mini model ID?

Use openai-gpt-54-mini as the model parameter.

Is the GPT-5.4 Mini API private?

GPT-5.4 Mini is anonymized: Venice forwards requests to the provider without your identity, but the provider may retain prompt data, so use a private model for sensitive work.

What is the context window of GPT-5.4 Mini?

400K tokens of context, with up to 125K output tokens per response.

What does GPT-5.4 Mini support?

GPT-5.4 Mini supports function calling, structured outputs, reasoning, image input, web search and prompt caching. Reasoning effort is adjustable with reasoning_effort: none, low, medium, high and xhigh (default high).

Which endpoint does the GPT-5.4 Mini API use?

Call POST /responses. /chat/completions is also supported. OpenAI reasoning models are designed around the Responses API: reasoning, tool calls and messages come back as typed output items. Venice’s /responses endpoint is in alpha.

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