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Model compare

GPT-4 vs GPT-5.4 Mini

The readout for GPT-4 and GPT-5.4 Mini, before the detailed comparison sheet.

Model A

GPT-4

OpenAI

Contender
vs

Model B

GPT-5.4 Mini

OpenAI

Leading

Key Takeaways

Weighted outcome: GPT-5.4 Mini. Benchmark capability categories carry 80%, while price, API performance, and availability carry 20%.

Decision read

GPT-5.4 Mini

GPT-5.4 Mini has the higher weighted result; Model A / B score 4 to 96.

Evidence depth

74 data points

Includes 4 benchmark rows, 0 audit samples, and 9 provider examples.

Selection signal

Start with GPT-5.4 Mini

The charts below split 13 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 GPT-5.4 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Model compare
GPT-4
GPT-5.4 Mini
Overall leaderContenderLeading
Weighted overall score4.0 pts96.0 pts
Benchmark category leads0 categories3 categories
Operational advantagesFirst-token latencyCheapest input price, Average speed, Free providers, Provider coverage
Context window8.2K tokens400K tokens
Max output4.1K tokens128K tokens
Modalities

Input

Text

Output

Text

Input

FileImageText

Output

Text
Features
Text inputText outputTool callingStructured outputsJSON mode
Text inputImage 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
GPT-5.4 Mini
DeveloperOpenAIOpenAI
ReleasedMay 2023Mar 2026
ParametersNo dataNo data
TokenizerGPTGPT
Knowledge cutoff2021-09-302025-08-31
OpenRouter IDopenai/gpt-4openai/gpt-5.4-mini
ReferencesNo dataNo data

When to choose each model

This report only uses LMSpeed data for GPT-4 and GPT-5.4 Mini: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

GPT-4

GPT-4 has these operational advantages: First-token latency.

GPT-5.4 Mini

GPT-5.4 Mini is stronger in benchmark categories (Coding, Reasoning, Math) and operational dimensions (Cheapest input price, Average speed, 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
3 / 8
Model B coverage
7 / 8
Shared
3 shared categories

Avg. score

GPT-4

40.5

Avg. score

GPT-5.4 Mini

50.9

Agents

GPT-5.4 Mini

GPT-4-
GPT-5.4 Mini50.2

Coding

GPT-5.4 Mini leads by 11.6

GPT-444
GPT-5.4 Mini55.6

Reasoning

GPT-5.4 Mini leads by 18.3

GPT-436.9
GPT-5.4 Mini55.2

Knowledge

GPT-5.4 Mini

GPT-4-
GPT-5.4 Mini45.4

Math

GPT-5.4 Mini leads by 8.6

GPT-440.7
GPT-5.4 Mini49.3

Multilingual

No data

GPT-4-
GPT-5.4 Mini-

Multimodal

GPT-5.4 Mini

GPT-4-
GPT-5.4 Mini47.1

Instruction following

GPT-5.4 Mini

GPT-4-
GPT-5.4 Mini53.7

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 #183/185 · confidence 4

+$29.25/M

GPT-5.4 Mini

winner

$0.750/M

Rank #105/185 · confidence 4

Pricingverified

Blended price

SourceGPT-4

GPT-4

$37.50/M

Rank #183/185 · confidence 4

+$35.81/M

GPT-5.4 Mini

winner

$1.69/M

Rank #112/185 · confidence 4

Pricingverified

Output price

SourceGPT-4

GPT-4

$60.00/M

Rank #178/185 · confidence 4

+$55.50/M

GPT-5.4 Mini

winner

$4.50/M

Rank #124/185 · confidence 4

Reasoningverified

GPQA

SourceGPT-4

GPT-4

34.9%

Rank #210/217 · confidence 4

+47.4%

GPT-5.4 Mini

winner

82.3%

Rank #86/217 · confidence 4

API audit comparison

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

Provider
GPT-4
GPT-5.4 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
GPT-5.4 Mini
MyWebUI API5 tests

GPT-4

speed / latency

N/A / N/A

input / output

No data

GPT-5.4 Mini

speed / latency

98 tok/s / 4039ms

input / output

No data

YUNWU API5 tests

GPT-4

gpt-4-1106-preview

speed / latency

N/A / N/A

input / output

$0.240/M/$0.719/M

GPT-5.4 Mini

gpt-5.4-mini

speed / latency

201 tok/s / 1441ms

input / output

$0.010/M/$0.062/M

42公益站0 tests

GPT-4

speed / latency

N/A / N/A

input / output

No data

GPT-5.4 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

GPT-5.4 Mini

speed / latency

N/A / N/A

input / output

No data

AIGCBAR0 tests

GPT-4

speed / latency

N/A / N/A

input / output

No data

GPT-5.4 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

GPT-5.4 Mini

gpt-5.4-mini

speed / latency

No data

input / output

$0/request

KFCV50

GPT-4

gpt-4-all

speed / latency

No data

input / output

$0.014/request

GPT-5.4 Mini

gpt-5.4-mini

speed / latency

No data

input / output

$0.010/M/$0.062/M

Zhongzhuan Chat

GPT-4

gpt-4-1106-preview

speed / latency

No data

input / output

$0.240/M/$0.719/M

GPT-5.4 Mini

gpt-5.4-mini

speed / latency

No data

input / output

$0.010/M/$0.062/M

向量引擎

GPT-4

gpt-4-1106-preview

speed / latency

No data

input / output

$0.240/M/$0.719/M

GPT-5.4 Mini

gpt-5.4-mini

speed / latency

No data

input / output

$0.010/M/$0.062/M

FAQ

Weighted outcome: GPT-5.4 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.