OpenAI

o4-mini

o4-mini is listed by OpenAI at $1.1 input and $4.4 output per million tokens. The recorded context window is 200,000 tokens. Release date on file: 2025-04-16. LMArena's text board published 2026-10-20 gives it an overall rating of 1353.4 (rank 205, 44,847 votes). Price source: models.dev (MIT).

  • Context19
  • Inverse price99
  • Arena56
  • GPQA—
  • Tools100
  • Modalities50

List price

Input / 1M$1.10Output / 1M$4.40Cache read / 1M$0.28Blended$3.575Value index—Last move—

models.dev · MIT · retrieved Oct 25, 2026

Price history

Input and output list price. A missing day stays a gap in the line. The series is not a quality history.

$4.40 / 1M2026-06-232026-10-18
Input Output33 observationsModelPriceWatch LLM Token Price History · CC-BY-4.0

Benchmarks

LMArena is CC-BY-4.0. Epoch scores, including LiveBench where Epoch publishes it, are CC-BY-4.0. A blank cell means this snapshot has no match. Nothing here is estimated.

BenchmarkScoreDetailSource
LMArena overall1353.4rank 205 · 44,847 votesLMArena leaderboard dataset · CC-BY-4.0
LMArena coding1368.3rank 207 · 8,649 votesLMArena leaderboard dataset · CC-BY-4.0
LMArena math1389.3rank 177 · 2,916 votesLMArena leaderboard dataset · CC-BY-4.0
GPQA Diamond———
LiveBench———
SWE-bench Verified———
Epoch Capability Index145.46142.9–147.21Epoch AI Capabilities & benchmarking · CC-BY-4.0

Provider prices

The list row is the price used for the value index. Other rows are the same model id on models.dev, plus the LiteLLM catalog price when we have one. A split quote is kept beside the list price.

QuoteProviderInput / 1MOutput / 1MBlendedSource
ListOpenAI$1.10$4.40$3.575models.dev · MIT
Also listedMerge Gateway$1.10$4.40$3.575models.dev · MIT
Also listedImpossibl$1.10$4.40$3.575models.dev · MIT
Also listedAbacus$1.10$4.40$3.575models.dev · MIT
LiteLLMopenai$1.10$4.40$3.575LiteLLM model_prices_and_context_window.json · MIT

Spec

Context200,000Max output100,000Inputtext, imageOutputtextReleased2025-04-16Open weightsNo

Spec fields are from the models.dev row for OpenAI.

Also from OpenAI