OpenAI o3 Mini API Pricing

OpenAI o3 Mini API pricing: $1.10 per 1M tokens for input and $4.40 per 1M tokens for output, from OpenRouter. Published Last checked · Source (data) · Methodology

No OpenRouter listing recorded after 28 Oct 2026; the price above is the last one listed, not a current price.

OpenRouter: Amount worked out from the source page: $1.10 per 1M tokens, in USD · as shown in the United States on 28 Oct 2026 · the page does not say whether tax is included; we do not assume it is excluded · no price change seen since 16 Oct 2026.

Data as of9 Nov 2026Prices checked 9 Nov 2026 · test requests to 8 Nov 2026Data & API

Prices USD per 1M tokens, as listed

No longer listed: last listed prices

  • $1.10Input per 1M tokens, through OpenRouter Published
  • $4.40Output per 1M tokens, through OpenRouter Published
  • $0.55Batch input per 1M tokens, through OpenRouter Published
All prices by channel
Price per 1M tokensProvider directThrough OpenRouterPrevious prices by channel
Input—$1.10 Published—
Output—$4.40 Published—
Cached input · read—$0.55 Published—
Batch · input / output—$0.55 / $2.20 Published—

Input price through OpenRouter, 16 Oct 2026 – 28 Oct 2026

16 Oct 2026$1.10 throughout28 Oct 2026

Context window200,000tokens Published
Max output100,000tokens Published

How we got this number

  • What we read: the published price on openrouter.ai/api/v1/models
  • Checked: ; tracked since 16 Oct 2026
  • Shown in: the United States
  • Checks so far: 13 checks since 16 Oct 2026
  • What changed: no price change since 16 Oct 2026
  • Page updated:

Other measured facts

QuestionAnswerCheckedStatus
How much does OpenAI o3 Mini cost per 1M cache-read tokens (cache hits) on OpenRouter?$0.55 per 1M tokensPublished
How much does OpenAI o3 Mini cost per 1M output tokens on OpenRouter?$4.40 per 1M tokensPublished
What is the context window of OpenAI o3 Mini on OpenRouter, in tokens?200,000 tokensPublished
What is the maximum output length of OpenAI o3 Mini on OpenRouter, in tokens?100,000 tokensPublished

History

Same price in all 13 checks since 16 Oct 2026.

  1. — First check: $1.10 per 1M tokens

The source record lists $0.0000011 per token ($1.10 per 1M tokens), fetched on 28 Oct 2026.

The source record, as published
"prompt":"0.0000011"
What the source says · openrouter.ai

Latest briefings each price change recalculated as a task cost

  1. DeepSeek V4 Pro 0813: price rise input $0.115 → $0.111 per 1M tokens (-3 %), output $4.00 → $4.44 per 1M tokens (+11 %)
  2. DeepSeek V4.1 Flash 1017: price cut input $0.300 → $0.0060 per 1M tokens (-98 %), output $1.20 → $0.500 per 1M tokens (-58 %)
  3. MoonshotAI Kimi K2.5: price rise input $0.500 → $0.532 per 1M tokens (+6 %), output $2.50 → $3.33 per 1M tokens (+33 %)

All briefings

Record history — 53 records for 5 questions
Last record
Shown in
the United States
How much does OpenAI o3 Mini cost per 1M input tokens on OpenRouter?
TimeValueStatus
28 Oct 2026$1.10 per 1M tokensPublished
27 Oct 2026$1.10 per 1M tokensPublished
26 Oct 2026$1.10 per 1M tokensPublished
25 Oct 2026$1.10 per 1M tokensPublished
24 Oct 2026$1.10 per 1M tokensPublished
23 Oct 2026$1.10 per 1M tokensPublished
22 Oct 2026$1.10 per 1M tokensPublished
21 Oct 2026$1.10 per 1M tokensPublished
20 Oct 2026$1.10 per 1M tokensPublished
19 Oct 2026$1.10 per 1M tokensPublished
18 Oct 2026$1.10 per 1M tokensPublished
17 Oct 2026$1.10 per 1M tokensPublished
16 Oct 2026$1.10 per 1M tokensPublished
How much does OpenAI o3 Mini cost per 1M cache-read tokens (cache hits) on OpenRouter?
TimeValueStatus
28 Oct 2026$0.55 per 1M tokensPublished
How much does OpenAI o3 Mini cost per 1M output tokens on OpenRouter?
TimeValueStatus
28 Oct 2026$4.40 per 1M tokensPublished
27 Oct 2026$4.40 per 1M tokensPublished
26 Oct 2026$4.40 per 1M tokensPublished
25 Oct 2026$4.40 per 1M tokensPublished
24 Oct 2026$4.40 per 1M tokensPublished
23 Oct 2026$4.40 per 1M tokensPublished
22 Oct 2026$4.40 per 1M tokensPublished
21 Oct 2026$4.40 per 1M tokensPublished
20 Oct 2026$4.40 per 1M tokensPublished
19 Oct 2026$4.40 per 1M tokensPublished
18 Oct 2026$4.40 per 1M tokensPublished
17 Oct 2026$4.40 per 1M tokensPublished
16 Oct 2026$4.40 per 1M tokensPublished
What is the context window of OpenAI o3 Mini on OpenRouter, in tokens?
TimeValueStatus
28 Oct 2026200,000 tokensPublished
27 Oct 2026200,000 tokensPublished
26 Oct 2026200,000 tokensPublished
25 Oct 2026200,000 tokensPublished
24 Oct 2026200,000 tokensPublished
23 Oct 2026200,000 tokensPublished
22 Oct 2026200,000 tokensPublished
21 Oct 2026200,000 tokensPublished
20 Oct 2026200,000 tokensPublished
19 Oct 2026200,000 tokensPublished
18 Oct 2026200,000 tokensPublished
17 Oct 2026200,000 tokensPublished
16 Oct 2026200,000 tokensPublished
What is the maximum output length of OpenAI o3 Mini on OpenRouter, in tokens?
TimeValueStatus
28 Oct 2026100,000 tokensPublished
27 Oct 2026100,000 tokensPublished
26 Oct 2026100,000 tokensPublished
25 Oct 2026100,000 tokensPublished
24 Oct 2026100,000 tokensPublished
23 Oct 2026100,000 tokensPublished
22 Oct 2026100,000 tokensPublished
21 Oct 2026100,000 tokensPublished
20 Oct 2026100,000 tokensPublished
19 Oct 2026100,000 tokensPublished
18 Oct 2026100,000 tokensPublished
17 Oct 2026100,000 tokensPublished
16 Oct 2026100,000 tokensPublished