OpenAI pricing · auto-updated daily

OpenAI API pricing — June 12, 2026

All 42 OpenAI text models with token prices ($ per 1M), context window and max output, refreshed daily from the official pricing source. Bring your OpenAI key to flo2 and you pay these exact prices — zero markup — with fallback, racing and per-request cost accounting on top.

Cheapest output
$0.4/M
babbage-002
Cheapest input
$0.05/M
gpt-5-nano
Biggest context
tok
o1-pro
Models
42
tracked daily
ModelContextMax outIn $/MCached inOut $/MReasoning
o1-pro $150 $600
gpt-5.4-pro $30 $180
gpt-5.5-pro $30 $180
gpt-5.2-pro $21 $168
gpt-4-32k $60 $120
gpt-5-pro $15 $120
o3-pro $20 $80
gpt-4-0314 $30 $60
gpt-4-0613 $30 $60
o1 $15 $7.5 $60
gpt-4-0125-preview $10 $30
gpt-4-1106-preview $10 $30
gpt-4-1106-vision-preview $10 $30
gpt-4-turbo-2024-04-09 $10 $30
gpt-5.5 $5 $0.5 $30
gpt-4o-2024-05-13 $5 $15
gpt-5.4 $2.5 $0.25 $15
gpt-5.2 $1.75 $0.175 $14
gpt-4o $2.5 $1.25 $10
gpt-5 $1.25 $0.125 $10
gpt-5.1 $1.25 $0.125 $10
gpt-4.1 $2 $0.5 $8
o3 $2 $0.5 $8
gpt-5.4-mini $0.75 $0.075 $4.5
o1-mini $1.1 $0.55 $4.4
o3-mini $1.1 $0.55 $4.4
o4-mini $1.1 $0.275 $4.4
gpt-3.5-turbo-16k-0613 $3 $4
davinci-002 $2 $2
gpt-3.5-0301 $1.5 $2
gpt-3.5-turbo-0613 $1.5 $2
gpt-3.5-turbo-1106 $1 $2
gpt-3.5-turbo-instruct $1.5 $2
gpt-5-mini $0.25 $0.025 $2
gpt-4.1-mini $0.4 $0.1 $1.6
gpt-3.5-turbo $0.5 $1.5
gpt-3.5-turbo-0125 $0.5 $1.5
gpt-5.4-nano $0.2 $0.02 $1.25
gpt-4o-mini $0.15 $0.075 $0.6
babbage-002 $0.4 $0.4
gpt-4.1-nano $0.1 $0.025 $0.4
gpt-5-nano $0.05 $0.005 $0.4

Prices in USD per 1,000,000 tokens, fetched 2026-06-12 from the official OpenAI pricing source. Verify before large commitments. Click any column header to sort.

More providers: Anthropic · Google Gemini · xAI Grok · Groq · Cerebras · Mistral · DeepInfra · OpenRouter · NVIDIA NIM · or the full cross-provider comparison.

Use OpenAI through one key — zero markup.
flo2 routes every call to the cheapest, fastest model that clears your bar, with fallback, racing and true cost accounting. Free during Beta.
Get your flo2 key →
© 2026 flo2.com — the zero-markup LLM gateway & router. blog · all providers · flow → to