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Model compare

O1 vs O3 Mini

The readout for O1 and O3 Mini, before the detailed comparison sheet.

Model A

O1

OpenAI

Leading
vs

Model B

O3 Mini

OpenAI

Contender

Key Takeaways

Weighted outcome: O1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

O1

O1 has the higher weighted result; Model A / B score 53.3 to 46.7.

Evidence depth

102 data points

Includes 19 benchmark rows, 0 audit samples, and 10 provider examples.

Selection signal

Start with O1

The charts below split 29 high-signal samples across speed, scores, and audit health.

Change comparison

Switch either side of this report to compare another model with the same LMSpeed data pipeline.

Select a different model to open a new comparison URL.

Comparison sheet

This report only uses LMSpeed data for O1 and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
O1
O3 Mini
Overall leaderLeadingContender
Weighted overall score53.3 pts46.7 pts
Benchmark category leads4 categories2 categories
Operational advantagesNo dataCheapest input price, Free providers, Provider coverage
Context window200K tokens200K tokens
Max output100K tokens100K tokens
Modalities

Input

TextImageFile

Output

Text

Input

TextFile

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputFile inputText outputTool callingStructured outputsJSON modeReasoning

The overall result weights benchmark capability categories at 80% and price, API speed/latency, and availability at 20%. Recent test volume does not affect the winner, and missing benchmark categories are excluded.

Model metadata

Model compare
O1
O3 Mini
DeveloperOpenAIOpenAI
ReleasedDec 2024Feb 2025
ParametersNo dataNo data
TokenizerGPTGPT
Knowledge cutoff2023-10-312023-10-31
OpenRouter IDopenai/o1openai/o3-mini
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for O1 and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

O1

O1 leads these benchmark categories: Agents, Coding, Reasoning, Knowledge.

O3 Mini

O3 Mini is stronger in benchmark categories (Math, Instruction following) and operational dimensions (Cheapest input price, Free providers, Provider coverage).

Benchmark score comparison

Third-party benchmark profile synced into LMSpeed; only metrics available for both models are shown.

Category performance

Compare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.

Model A coverage
6 / 8
Model B coverage
6 / 8
Shared
6 shared categories

Avg. score

O1

52.2

Avg. score

O3 Mini

48.5

Agents

O1 leads by 5.8

O145.5
O3 Mini39.7

Coding

O1 leads by 10.2

O150.5
O3 Mini40.3

Reasoning

O1 leads by 1.4

O150.7
O3 Mini49.3

Knowledge

O1 leads by 14.7

O162.5
O3 Mini47.8

Math

O3 Mini leads by 5.9

O152.6
O3 Mini58.5

Multilingual

No data

O1-
O3 Mini-

Multimodal

No data

O1-
O3 Mini-

Instruction following

O3 Mini leads by 4.1

O151.5
O3 Mini55.6

Professional benchmark details

Metric-level scores with benchmark source, rank depth, confidence, error, and evaluation date where available.

Pricingverified

Input price

Sourceo1

O1

$15.00/M

Rank #177/184 · confidence 4

+$13.90/M

O3 Mini

winner

$1.10/M

Rank #116/184 · confidence 4

Pricingverified

Blended price

Sourceo1

O1

$26.25/M

Rank #177/184 · confidence 4

+$24.32/M

O3 Mini

winner

$1.93/M

Rank #117/184 · confidence 4

Pricingverified

Output price

Sourceo1

O1

$60.00/M

Rank #177/184 · confidence 4

+$55.60/M

O3 Mini

winner

$4.40/M

Rank #119/184 · confidence 4

Reasoningverified

MMLU-Pro

Sourceo1

O1

winner

84.1%

Rank #34/129 · confidence 4

+5.0%

O3 Mini

79.1%

Rank #70/129 · confidence 4

Reasoningverified

GPQA

Sourceo1

O1

74.7%

Rank #123/216 · confidence 4

+0.1%

O3 Mini

winner

74.8%

Rank #120/216 · confidence 4

Reasoningverified

HLE

Sourceo1

O1

7.0%

Rank #139/213 · confidence 4

+0.9%

O3 Mini

winner

7.9%

Rank #132/213 · confidence 4

Codingverified

LiveCodeBench

Sourceo1

O1

67.9%

Rank #34/115 · confidence 4

+3.8%

O3 Mini

winner

71.7%

Rank #27/115 · confidence 4

Codingreported

AA-SciCode

Sourceo1

O1

35.8

Rank #87/109 · confidence 1 · eval date 2024-12-01

+4.1

O3 Mini

winner

39.9

Rank #71/109 · confidence 1 · eval date 2025-01-31

Codingverified

SciCode

Sourceo1

O1

35.8%

Rank #127/209 · confidence 4

+4.1%

O3 Mini

winner

39.9%

Rank #89/209 · confidence 4

Mathverified

MATH-500

Sourceo1

O1

97.0%

Rank #13/73 · confidence 4

+0.3%

O3 Mini

winner

97.3%

Rank #11/73 · confidence 4

Mathverified

AIME

Sourceo1

O1

72.3%

Rank #19/68 · confidence 4

+4.7%

O3 Mini

winner

77.0%

Rank #14/68 · confidence 4

Knowledgereported

MMLU

Sourceo1

O1

winner

91.8

Rank #1/5 · confidence 1 · eval date 2024-12-01

+4.9

O3 Mini

86.9

Rank #4/5 · confidence 1 · eval date 2025-01-31

Knowledgereported

BenchLM Knowledge score

Sourceo1

O1

64.0

Rank #44/70 · confidence 1 · eval date 2024-12-01

+1.6

O3 Mini

winner

65.6

Rank #38/70 · confidence 1 · eval date 2025-01-31

Knowledgereported

AA-GPQA Diamond

Sourceo1

O1

74.7

Rank #85/109 · confidence 1 · eval date 2024-12-01

+0.1

O3 Mini

winner

74.8

Rank #83/109 · confidence 1 · eval date 2025-01-31

Knowledgereported

AA-HLE

Sourceo1

O1

7.0

Rank #86/109 · confidence 1 · eval date 2024-12-01

+0.9

O3 Mini

winner

7.9

Rank #84/109 · confidence 1 · eval date 2025-01-31

Knowledgereported

Artificial Analysis Intelligence Index

Sourceo1-preview

O1

17.2

Rank #91/112 · confidence 1 · eval date 2024-09-12

+2.0

O3 Mini

winner

19.2

Rank #88/112 · confidence 1 · eval date 2025-01-31

Instruction followingreported

IFEval

Sourceo1

O1

92.2

Rank #10/16 · confidence 1 · eval date 2024-12-01

+1.7

O3 Mini

winner

93.9

Rank #5/16 · confidence 1 · eval date 2025-01-31

Instruction followingreported

BenchLM Instruction Following score

Sourceo1

O1

86.1

Rank #15/25 · confidence 1 · eval date 2024-12-01

+4.9

O3 Mini

winner

91.0

Rank #7/25 · confidence 1 · eval date 2025-01-31

Agentsreported

τ²-bench results

Sourceo1

O1

winner

62.6

Rank #61/82 · confidence 1 · eval date 2024-12-01

+33.9

O3 Mini

28.7

Rank #72/82 · confidence 1 · eval date 2025-01-31

API audit comparison

Latest completed audits from shared providers, with four safety and integrity score groups plus report links.

Provider
O1
O3 Mini
No completed audits are available from shared providers yet.

Provider examples

Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.

Provider
O1
O3 Mini
ZetaTechs API6 tests

O1

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

44 tok/s / 17418ms

input / output

No data

N1N5 tests

O1

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

117 tok/s / 4809ms

input / output

No data

42公益站0 tests

O1

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

N/A / N/A

input / output

No data

AAAI0 tests

O1

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

N/A / N/A

input / output

No data

AASS API0 tests

O1

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

N/A / N/A

input / output

No data

兔子API

O1

o1-2024-12-17

speed / latency

No data

input / output

$0/request

O3 Mini

o3-mini

speed / latency

No data

input / output

$0/request

KKSJ-AI

O1

o1-all

speed / latency

No data

input / output

$0.062/request

O3 Mini

o3-mini-all

speed / latency

No data

input / output

$0.0062/request

Newagiai

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

O3 Mini

o3-mini-high-all

speed / latency

No data

input / output

$0.011/request

PoloAPI

O1

o1-all

speed / latency

No data

input / output

$0.082/request

O3 Mini

o3-mini-high

speed / latency

No data

input / output

$0.011/request

柏拉图AI

O1

o1-preview-all

speed / latency

No data

input / output

$0.033/request

O3 Mini

o3-mini-high-all

speed / latency

No data

input / output

$0.011/request

FAQ

Weighted outcome: O1. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Why is this comparison indexable?
It has 4 verifiable comparison points, and both models have pricing or benchmark data.
Are missing metrics invented?
No. Metrics without LMSpeed data are omitted from this report.

Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.