GPT-4o mini API

OpenAI · serves gpt-4o-mini

Pricing

Input / 1M$0.15
Output / 1M$0.60
Blended / 1M$0.75
Cached input / 1M$0.07
Context window128,000 tokens
Max output16,384 tokens
LicenseAPI only · Proprietary proprietary
Knowledge cutoffOctober 2023 · source
Intelligence index6.7 Artificial Analysis Intelligence Index · source

textvisionfunction-callingjson-mode

Price verified 2026-09-05 (0 days ago) · sourcecorroborated

Sources

SourceInput / 1MOutput / 1MVerified
OpenRouter$0.15$0.602026-09-05
LiteLLM$0.15$0.602026-09-03
models.dev$0.15$0.602026-09-04

Two independent sources agree within 20%.

Latency measured

RegionTTFT p50TTFT p95Total p50Total p95ThroughputSamples
eu-paris0

Time-to-first-token, measured server-side. Measured 2026-09-04 (0 days ago).

Call it

OpenAI-compatible endpoint — set OPENAI_API_KEY.

curl https://api.openai.com/v1/chat/completions \
  -H "Authorization: Bearer $OPENAI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gpt-4o-mini",
    "messages": [{"role": "user", "content": "Hello"}]
  }'
from openai import OpenAI  # pip install openai

client = OpenAI(
    base_url="https://api.openai.com/v1",
    api_key="...",  # OPENAI_API_KEY
)
resp = client.chat.completions.create(
    model="gpt-4o-mini",
    messages=[{"role": "user", "content": "Hello"}],
)
print(resp.choices[0].message.content)

Price history

DateInput / 1MOutput / 1M
2026-09-01$0.15$0.60
2026-06-01$0.15$0.60

2 price points on record · a new point is added only when the price actually changes.

Use this data

Raw JSON for this page: gpt-4o-mini.json. Free to reuse under CC BY 4.0 with attribution to apipriceindex.com.