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A · closed · GPT-4 / o-series

GPT-4.1 Mini

OpenAI

B · closed · GPT-4 / o-series

o3

OpenAI

1:16

overall capability wins (0 ties across 17 scored). o3 leads overall.

  • Reasoning0:9
  • Coding0:5
  • Arena0:1
  • Pricing3:0
  • Speed2:0
  • Specs1:1

Verdict

o3 leads coding (widest gap: +48.9 on Aider); o3 ranks higher on LMArena (+49 Elo); GPT-4.1 Mini offers ~5.0x larger context (1M vs 200K).

  • o3 leads coding (widest gap: +48.9 on Aider)
  • o3 ranks higher on LMArena (+49 Elo)
  • GPT-4.1 Mini offers ~5.0x larger context (1M vs 200K)
  • o3 allows ~3.1x more max output (100K vs 33K)
  • GPT-4.1 Mini is ~5.0x cheaper on a blended token basis than o3

Cost for 1M in + 250K out

Illustrative chat workload at primary-provider list prices.

GPT-4.1 Mini
$0.80
o3
$4

GPT-4.1 Mini is about 5.0x 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

$2

A +$1.60

Output $/1M

$1.60

$8

A +$6.40

Blended $/1M (3∶1)

$0.70

$3.50

A +$2.80

Speed

tok/s

130

55

A +75

TTFT (s)

0.25

1.2

A +0.95

Reasoning

MMLU-Pro

78.1

85.3

B +7.2 pts

GPQA Diamond

66.4

82.7

B +16.3 pts

Humanity's Last Exam

5.0

20.1

B +15.1 pts

AIME 2025

40.2

88.9

B +48.7 pts

MATH-500

92.5

99.2

B +6.7 pts

Humanity's Last Exam (with tools)

—

—

—

AA-Omniscience Accuracy

20.3

38.6

B +18.3 pts

AA-LCR v1.1

44.0

74.7

B +30.7 pts

CritPt

—

1.1

—

MMMU-Pro

58.7

70.1

B +11.4 pts

IFBench

38.3

71.4

B +33.1 pts

Chartography

—

—

—

Chartography (With Tools)

—

—

—

Coding

SWE-bench Verified

23.9

58.4

B +34.5 pts

SWE-bench Pro

—

—

—

SWE-bench Multilingual

—

—

—

LiveCodeBench

48.3

80.8

B +32.5 pts

Terminal-Bench 2.1

10.1

—

—

Aider Polyglot

32.4

81.3

B +48.9 pts

Terminal-Bench 3

—

—

—

BigCodeBench

48.9

—

—

SciCode

40.4

41.0

B +0.6 pts

CursorBench

—

—

—

SWE-Rebench

25.5

38.1

B +12.6 pts

NL2Repo-Bench

—

—

—

DeepSWE

—

—

—

WebDev Arena

—

—

—

Terminal-Bench 4.0

—

—

—

CursorBench 4.0

—

—

—

FrontierCode v1.1 (Main)

—

—

—

Arena

LMArena Elo

1,383

1,432

B +49 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.

o3

Context
200K / 100K out
Parameters
—
Price
$2 / $8
Speed
55 tok/s · 1.2s TTFT
Modalities
text, image → text
License
Proprietary

OpenAI reasoning model from the o-series; strong on STEM and agentic coding with deliberate chain-of-thought.

Benchmark charts

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

Reasoning & knowledge

MMLU-Pro: B +7.2GPQA: B +16.3HLE: B +15.1AIME: B +48.7MATH-500: B +6.7AA-LCR: B +30.7Omniscience Acc.: B +18.3MMMU-Pro: B +11.4IFBench: B +33.1

Coding

SWE-bench: B +34.5LiveCode: B +32.5Aider: B +48.9SciCode: B +0.6SWE-Rebench: B +12.6

Arena

Arena Elo: B +49

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