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A · closed · GPT-4 / o-series

GPT-4.1 Mini

OpenAI

B · closed · GPT-4 / o-series

o4-mini

OpenAI

1:13

overall capability wins (0 ties across 14 scored). o4-mini leads overall.

  • Reasoning0:7
  • Coding0:4
  • Arena0:1
  • Pricing3:0
  • Speed2:0
  • Specs1:1

Verdict

o4-mini leads coding (widest gap: +25.8 on Aider); o4-mini ranks higher on LMArena (+8 Elo); GPT-4.1 Mini offers ~5.0x larger context (1M vs 200K).

  • o4-mini leads coding (widest gap: +25.8 on Aider)
  • o4-mini ranks higher on LMArena (+8 Elo)
  • GPT-4.1 Mini offers ~5.0x larger context (1M vs 200K)
  • o4-mini allows ~3.1x more max output (100K vs 33K)
  • GPT-4.1 Mini is ~2.8x cheaper on a blended token basis than o4-mini

Cost for 1M in + 250K out

Illustrative chat workload at primary-provider list prices.

GPT-4.1 Mini
$0.80
o4-mini
$2.20

GPT-4.1 Mini is about 2.8x cheaper on this workload.

Price per 1M tokens

Full comparison

Organization

OpenAI

OpenAI

Family

GPT-4 / o-series

GPT-4 / o-series

License

Proprietary

Proprietary

Open weights

No

No

Release

Apr 14, 2025

Apr 16, 2025

Knowledge cutoff

-

-

API / provider

OpenAI

OpenAI

Modalities

text, image → text

text, image → text

Specs

Context window

1M

200K

A +800K

Max output

33K

100K

B +67K

Parameters

—

—

—

Pricing

Input $/1M

$0.40

$1.10

A +$0.70

Output $/1M

$1.60

$4.40

A +$2.80

Blended $/1M (3∶1)

$0.70

$1.93

A +$1.23

Speed

tok/s

130

90

A +40

TTFT (s)

0.25

0.7

A +0.45

Reasoning

MMLU-Pro

78.1

—

—

GPQA Diamond

66.4

78.4

B +12.0 pts

Humanity's Last Exam

5.0

16.5

B +11.5 pts

AIME 2025

40.2

92.7

B +52.5 pts

MATH-500

92.5

—

—

Humanity's Last Exam (with tools)

—

—

—

AA-Omniscience Accuracy

20.3

24.8

B +4.5 pts

AA-LCR v1.1

44.0

61.0

B +17.0 pts

CritPt

—

0.6

—

MMMU-Pro

58.7

69.2

B +10.5 pts

IFBench

38.3

68.7

B +30.4 pts

Chartography

—

—

—

Chartography (With Tools)

—

—

—

Coding

SWE-bench Verified

23.9

45.0

B +21.1 pts

SWE-bench Pro

—

—

—

SWE-bench Multilingual

—

—

—

LiveCodeBench

48.3

—

—

Terminal-Bench 2.1

10.1

—

—

Aider Polyglot

32.4

58.2

B +25.8 pts

Terminal-Bench 3

—

—

—

BigCodeBench

48.9

—

—

SciCode

40.4

46.5

B +6.1 pts

CursorBench

—

—

—

SWE-Rebench

25.5

27.5

B +2.0 pts

NL2Repo-Bench

—

—

—

DeepSWE

—

—

—

WebDev Arena

—

—

—

Terminal-Bench 4.0

—

—

—

CursorBench 4.0

—

—

—

FrontierCode v1.1 (Main)

—

—

—

Arena

LMArena Elo

1,383

1,391

B +8 Elo

GPT-4.1 Mini

Context
1M / 33K out
Parameters
—
Price
$0.40 / $1.60
Speed
130 tok/s · 0.25s TTFT
Modalities
text, image → text
License
Proprietary

Mid-tier GPT-4.1 SKU with 1M context at low cost - common production default for long-document and tool workloads.

o4-mini

Context
200K / 100K out
Parameters
—
Price
$1.10 / $4.40
Speed
90 tok/s · 0.7s TTFT
Modalities
text, image → text
License
Proprietary

Cost-efficient o-series reasoning model for STEM and coding with lower latency than o3.

Benchmark charts

Winner bars are emphasized. Per-benchmark deltas sit above each chart.

Reasoning & knowledge

GPQA: B +12.0HLE: B +11.5AIME: B +52.5AA-LCR: B +17.0Omniscience Acc.: B +4.5MMMU-Pro: B +10.5IFBench: B +30.4

Coding

SWE-bench: B +21.1Aider: B +25.8SciCode: B +6.1SWE-Rebench: B +2.0

Arena

Arena Elo: B +8

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