GPT-4.1 Mini

ModelActive

by OpenAI · family “gpt-mini”

GPT-4.1 Mini is a mid-sized model delivering performance competitive with GPT-4o at substantially lower latency and cost. It retains a 1 million token context window and scores 45.1% on hard... (description from the OpenRouter listing)

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Epoch Capabilities Index

135.0 #136 of 268

90% CI 130.6 – 136.7

Listing ↗

Released

14 Apr 2025

Context window

1.05M tokens

Max output

33K tokens

Input $ / 1M tokens

$0.40

Output $ / 1M tokens

$1.60

Cached input $ / 1M

$0.10

Each benchmark shown separately with its own source

Benchmark results (16)

All benchmarks

Benchmark	Domain	Score	vs best recorded	Setting	Run	Source
LMCA	agents	21.1%	32%	—	—	External ↗
DTBench	reasoning	68.8%	70%	—	—	External ↗
Mystery Game Puzzles	games	7.0% ±2.6	8%	—	27 Aug 2026	Epoch ↗
FrontierMath-Tiers-1-3-v2-Private	math	6.7% ±1.5	7%	—	27 Aug 2026	Eval log ↗
Chess Puzzles	games	7.0% ±2.6	10%	—	15 Jul 2026	Eval log ↗
SimpleQA Verified	knowledge	12.7% ±1.1	17%	—	31 Aug 2026	Eval log ↗
CadEval	coding	16.0%	22%	—	—	External ↗
ARC-AGI-2	reasoning	0.0%	0%	—	—	External ↗
FrontierMath-2025-02-28-Privatesuperseded	math	4.5% ±1.2	9%	—	14 Apr 2025	Epoch ↗
Fiction.LiveBench	long-context	44.4%	46%	—	—	External ↗
WeirdML	coding	37.6% ±0.0	40%	—	—	External ↗
Aider polyglot	coding	32.4%	37%	—	—	External ↗
OTIS Mock AIME 2024-2025	math	44.7% ±6.1	45%	—	14 Apr 2025	Eval log ↗
GPQA diamond	science	65.8% ±2.7	69%	—	14 Apr 2025	Eval log ↗
MATH level 5	math	87.3% ±0.7	89%	—	14 Apr 2025	Epoch ↗
ARC-AGI	reasoning	3.5%	4%	—	—	External ↗

Source: Epoch AI Benchmarking Hub (CC BY 4.0). “External” rows are leaderboard results Epoch collects from third parties. Best reported setting per benchmark is shown.

API list price over time

Price history

$ per 1M tokens

13 observations (OpenRouter listing + Internet Archive snapshots). History accumulates with every ingest run; a single point means no change has been observed yet.