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Model compare

GPT-4 vs O3 Mini

The readout for GPT-4 and O3 Mini, before the detailed comparison sheet.

Model A

GPT-4

OpenAI

Contender
vs

Model B

O3 Mini

OpenAI

Leading

Key Takeaways

Weighted outcome: O3 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

O3 Mini

O3 Mini has the higher weighted result; Model A / B score 32.7 to 67.3.

Evidence depth

78 data points

Includes 6 benchmark rows, 0 audit samples, and 10 provider examples.

Selection signal

Start with O3 Mini

The charts below split 16 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 GPT-4 and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
GPT-4
O3 Mini
Overall leaderContenderLeading
Weighted overall score32.7 pts67.3 pts
Benchmark category leads1 categories2 categories
Operational advantagesFirst-token latencyCheapest input price, Average speed, Provider coverage
Context window8.2K tokens200K tokens
Max output4.1K tokens100K tokens
Modalities

Input

Text

Output

Text

Input

TextFile

Output

Text
Features
Text inputText outputTool callingStructured outputsJSON mode
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
GPT-4
O3 Mini
DeveloperOpenAIOpenAI
ReleasedMay 2023Feb 2025
ParametersNo dataNo data
TokenizerGPTGPT
Knowledge cutoff2021-09-302023-10-31
OpenRouter IDopenai/gpt-4openai/o3-mini
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for GPT-4 and O3 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

GPT-4

GPT-4 is stronger in benchmark categories (Coding) and operational dimensions (First-token latency).

O3 Mini

O3 Mini is stronger in benchmark categories (Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, 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
3 / 8
Model B coverage
6 / 8
Shared
3 shared categories

Avg. score

GPT-4

42.4

Avg. score

O3 Mini

48.6

Agents

O3 Mini

GPT-4-
O3 Mini39.7

Coding

GPT-4 leads by 9.0

GPT-449.5
O3 Mini40.5

Reasoning

O3 Mini leads by 12.5

GPT-436.9
O3 Mini49.4

Knowledge

O3 Mini

GPT-4-
O3 Mini47.8

Math

O3 Mini leads by 17.8

GPT-440.7
O3 Mini58.5

Multilingual

No data

GPT-4-
O3 Mini-

Multimodal

No data

GPT-4-
O3 Mini-

Instruction following

O3 Mini

GPT-4-
O3 Mini55.6

Professional benchmark details

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

Pricingverified

Input price

SourceGPT-4

GPT-4

$30.00/M

Rank #178/180 · confidence 4

+$28.90/M

O3 Mini

winner

$1.10/M

Rank #114/180 · confidence 4

Pricingverified

Blended price

SourceGPT-4

GPT-4

$37.50/M

Rank #178/180 · confidence 4

+$35.58/M

O3 Mini

winner

$1.93/M

Rank #115/180 · confidence 4

Pricingverified

Output price

SourceGPT-4

GPT-4

$60.00/M

Rank #173/180 · confidence 4

+$55.60/M

O3 Mini

winner

$4.40/M

Rank #115/180 · confidence 4

Reasoningverified

MMLU-Pro

SourceGPT-4

GPT-4

56.2%

Rank #121/129 · confidence 4

+22.9%

O3 Mini

winner

79.1%

Rank #70/129 · confidence 4

Reasoningverified

GPQA

SourceGPT-4

GPT-4

34.9%

Rank #205/212 · confidence 4

+39.9%

O3 Mini

winner

74.8%

Rank #117/212 · confidence 4

Mathverified

MATH-500

SourceGPT-4

GPT-4

56.8%

Rank #66/73 · confidence 4

+40.5%

O3 Mini

winner

97.3%

Rank #11/73 · confidence 4

API audit comparison

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

Provider
GPT-4
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
GPT-4
O3 Mini
ZetaTechs API6 tests

GPT-4

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

44 tok/s / 17418ms

input / output

No data

N1N5 tests

GPT-4

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

GPT-4

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

GPT-4

speed / latency

N/A / N/A

input / output

No data

O3 Mini

speed / latency

N/A / N/A

input / output

No data

AI API0 tests

GPT-4

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

GPT-4

gpt-4

speed / latency

No data

input / output

$0/request

O3 Mini

o3-mini

speed / latency

No data

input / output

$0/request

KKSJ-AI

GPT-4

gpt-4-1106-preview

speed / latency

No data

input / output

$1.23/M/$2.47/M

O3 Mini

o3-mini-all

speed / latency

No data

input / output

$0.0062/request

Newagiai

GPT-4

gpt-4-all

speed / latency

No data

input / output

$0.011/request

O3 Mini

o3-mini-high-all

speed / latency

No data

input / output

$0.011/request

PoloAPI

GPT-4

gpt-4-0125-preview

speed / latency

No data

input / output

$2.05/M/$4.11/M

O3 Mini

o3-mini-high

speed / latency

No data

input / output

$0.011/request

柏拉图AI

GPT-4

gpt-4-all

speed / latency

No data

input / output

$0.011/request

O3 Mini

o3-mini-high-all

speed / latency

No data

input / output

$0.011/request

FAQ

Weighted outcome: O3 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Why is this comparison indexable?
It has 6 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.