OpenAI · MultimodalReleased 2025-04-16

o4-mini

openai/o4-mini id

OpenAI's o4-mini delivers fast, cost-efficient reasoning with exceptional performance for its size, particularly excelling in math (best-performing on AIME benchmarks), coding, and visual tasks.

Tool useReasoningChatWeb search
Type
Use o4-mini
# Drop-in OpenAI-compatible client
$ import { generateText } from 'ai'
$
$ const { text } = await generateText({
$ model: 'openai/o4-mini',
$ baseURL: 'https://synapse.garden/api/v1',
$ apiKey: process.env.MG_KEY,
$ prompt: 'Why is the sky blue?',
$ })
200K
CONTEXT WINDOW
100K
MAX OUTPUT
$1.21/M
INPUT · PER M
$4.84/M
OUTPUT · PER M
PRICING

List prices, every modality.

RatePer million tokens · USD
Input$1.21/M
Output$4.84/M
Cache read$0.303/M
Honest list pricesHow we calculate prices
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FAQ · O4-MINI

Frequently asked

01 / 04

How do I call o4-mini from my code?

Use the OpenAI or Anthropic SDK and point baseURL at https://synapse.garden/api/v1. Set model: ‘openai/o4-mini and supply your Synapse Garden API key. No code changes beyond the base URL.

02 / 04

How much does o4-mini cost?

Input: $1.21/M per million tokens. Output: $4.84/M per million tokens. The free tier includes a million tokens every month at no cost.

03 / 04

What's the context window for o4-mini?

o4-mini supports a context window of 200K tokens, with a maximum output of 100K tokens.

04 / 04

Do I need a separate Anthropic or OpenAI account?

No. Synapse Garden is the single API surface — one key gives you OpenAI, Anthropic, Google, Meta, Mistral, DeepSeek, xAI, Cohere, and more. Billing, rate limits, and audit logs are unified.

READY

Try o4-mini in three minutes.

Sign up, create a key, drop our base URL into your existing client. The free tier includes a million tokens every month — no credit card.