This model was retired on 2026-10-01. The pricing below is the last-known rate, kept for migration reference.

o3 MiniDeprecated

OpenAIReleasedDec 20, 2024KnowledgeMay 2024
Tool useReasoningPrompt cachingStructured output
Context
200K
Max output
100K
Serving providers
4
Cheapest input
$1.10 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.

Benchmarks

independent evaluations · source: Artificial Analysis
Speed & latency
Output speed
226 t/s
tokens / second
Time to first token
6.64s
latency
Headline indices
Intelligence Index
19.2
of 100
Individual benchmarks · click a row for effort variants
BenchmarkBest scoreEffortCost / task
GPQA Diamond75%default
Humanity's Last Exam8%default
LiveCodeBench72%default
MMLU-Pro79%default
SciCode40%default
TerminalBench Hard7%default
τ²-bench29%default

Pricing by serving provider

last-known · per 1M tokens · click a provider to expand
Serving providerInput /1MOutput /1MEndpoints
Azure$1.10$4.401
OpenAI$1.10$4.401
Vercel AI Gateway$1.10$4.401
OpenRouter$1.10$4.401

Price history

input + output $/1M since we started tracking
Input Output
$0.000$2.00$4.00$6.00Jan 31Apr 5Aug 5Jul 19$4.40$1.10

Cost calculator

estimate your monthly spend on this model
$572
estimated / month

Model IDs

copy the exact identifier for your platform
azure/o3-minio3-minivercel_ai_gateway/openai/o3-miniopenai/o3-mini

Frequently asked questions

o3 Mini pricing, context and availability

Is o3 Mini still available?

o3 Mini was retired on 2026-10-01. The pricing on this page is the last-known rate, kept for migration reference.

How much did o3 Mini cost?

o3 Mini's last-known pricing, before it was retired on 2026-10-01, was $1.10 per 1M input tokens and $4.40 per 1M output tokens.

What was the context window of o3 Mini?

o3 Mini had a 200K token context window and could return up to 100K output tokens.

What could o3 Mini do?

o3 Mini supported tool use, reasoning, prompt caching and structured output.

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