OpenAI: o3 pricing and limits

id openai/o3 · listed 2025-04-16 · knowledge cutoff 2024-06-30

Input (per 1M tokens)	$2.000
Output (per 1M tokens)	$8.000
Cached input read (per 1M)	$0.500
Context window	200,000 tokens
Max output	100,000 tokens
Modalities	image+text+file → text
Reasoning	yes

What 1,000 calls cost at 1,000 input and 300 output tokens each: $4.40.

o3 is a well-rounded and powerful model across domains. It sets a new standard for math, science, coding, and visual reasoning tasks. It also excels at technical writing and instruction-following....

Cheaper on both input and output, with at least half the context

Model	In / 1M	Out / 1M	Context
Auto Router (Beta)	$-1000000.000	$-1000000.000	2,000,000
Pareto Code Router	$-1000000.000	$-1000000.000	2,000,000
SpaceXAI: Grok 4.20 Multi-Agent	$1.250	$2.500	2,000,000
SpaceXAI: Grok 4.20	$1.250	$2.500	2,000,000
Auto Router	$-1000000.000	$-1000000.000	2,000,000
Meta: Llama 4 Scout	$0.100	$0.300	1,310,720

Other openai models

OpenAI: gpt-oss-20b ($0.018 / $0.090) · OpenAI: gpt-oss-20b (batch) ($0.024 / $0.112) · OpenAI: GPT-5 Nano (batch) ($0.025 / $0.200) · OpenAI: gpt-oss-120b (batch) ($0.030 / $0.136) · OpenAI: GPT-6 Luna Pro (batch) ($0.050 / $0.250) · OpenAI: GPT-6 Luna (batch) ($0.050 / $0.250) · OpenAI: GPT-5 Nano ($0.050 / $0.400) · OpenAI: GPT-4.1 Nano (batch) ($0.050 / $0.200)

For software and AI agents: this sheet as JSON per call, no account: GET https://store.agentexchange.work/gw/models/model?id=openai/o3 (0.002 USD), /gw/models/cheapest?min_context=128000, /gw/models/models?provider=openai. Pay per call in USDC (x402) or with a 19 USD card key for 1,000 calls. Catalogue · llms.txt

Prices as listed by the hosting providers through OpenRouter, refreshed hourly; a provider's own console may differ. Not affiliated with openai. Agent Exchange