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A · closed · GPT-4 / o-series

GPT-4.1 Nano

OpenAI

B · closed · GPT-4 / o-series

GPT-4 32K

OpenAI

2:0

overall capability wins (0 ties across 2 scored). GPT-4.1 Nano leads overall.

  • Pricing3:0
  • Speed2:0
  • Specs2:0

Verdict

GPT-4.1 Nano offers ~30.5x larger context (1M vs 33K); GPT-4.1 Nano allows ~4.0x more max output (33K vs 8K); GPT-4.1 Nano is ~428.6x cheaper on a blended token basis than GPT-4 32K.

  • GPT-4.1 Nano offers ~30.5x larger context (1M vs 33K)
  • GPT-4.1 Nano allows ~4.0x more max output (33K vs 8K)
  • GPT-4.1 Nano is ~428.6x cheaper on a blended token basis than GPT-4 32K

Cost for 1M in + 250K out

Illustrative chat workload at primary-provider list prices.

GPT-4.1 Nano
$0.20
GPT-4 32K
$90

GPT-4.1 Nano is about 450.0x 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

Jun 13, 2023

Knowledge cutoff

-

-

API / provider

OpenAI

OpenAI

Modalities

text, image → text

text → text

Specs

Context window

1M

33K

A +967K

Max output

33K

8K

A +25K

Parameters

—

—

—

Pricing

Input $/1M

$0.10

$60

A +$59.90

Output $/1M

$0.40

$120

A +$119.60

Blended $/1M (3∶1)

$0.18

$75

A +$74.83

Speed

tok/s

160

30

A +130

TTFT (s)

0.18

1

A +0.82

Reasoning

MMLU-Pro

65.7

—

—

GPQA Diamond

51.2

—

—

Humanity's Last Exam

3.8

—

—

AIME 2025

24.0

—

—

MATH-500

84.8

—

—

Humanity's Last Exam (with tools)

—

—

—

AA-Omniscience Accuracy

13.7

—

—

AA-LCR v1.1

20.3

—

—

CritPt

—

—

—

MMMU-Pro

40.1

—

—

IFBench

32.0

—

—

Chartography

—

—

—

Chartography (With Tools)

—

—

—

Coding

SWE-bench Verified

—

—

—

SWE-bench Pro

—

—

—

SWE-bench Multilingual

—

—

—

LiveCodeBench

32.6

—

—

Terminal-Bench 2.1

3.7

—

—

Aider Polyglot

8.9

—

—

Terminal-Bench 3

—

—

—

BigCodeBench

—

—

—

SciCode

25.9

—

—

CursorBench

—

—

—

SWE-Rebench

0.3

—

—

NL2Repo-Bench

—

—

—

DeepSWE

—

—

—

WebDev Arena

—

—

—

Terminal-Bench 4.0

—

—

—

CursorBench 4.0

—

—

—

FrontierCode v1.1 (Main)

—

—

—

Arena

LMArena Elo

1,322

—

—

GPT-4.1 Nano

Context
1M / 33K out
Parameters
—
Price
$0.10 / $0.40
Speed
160 tok/s · 0.18s TTFT
Modalities
text, image → text
License
Proprietary

Cheapest GPT-4.1 tier for classification, routing, and high-volume extraction with a full 1M context window.

GPT-4 32K

Context
33K / 8K out
Parameters
—
Price
$60 / $120
Speed
30 tok/s · 1s TTFT
Modalities
text → text
License
Proprietary

Long-context GPT-4 SKU (gpt-4-32k-0613) at premium rates — predecessor to 128K Turbo for document workloads.

Benchmark charts

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

These two models have no overlapping published benchmarks in our dataset. Compare specs and pricing instead.

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