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Data points: 46

On this page

Key TakeawaysComparison sheetBenchmark score comparisonAPI audit comparisonProvider examplesWhen to choose each modelFAQRelated compare reports

Key Takeaways

The readout for Gemini 1.5 Pro 001 and GPT-5.4, before the detailed comparison sheet.

Decision read

GPT-5.4

GPT-5.4 currently has the stronger profile, with verified wins split 0 to 4.

Evidence depth

46 data points

Includes 0 benchmark rows, 0 audit samples, and 5 provider examples.

Selection signal

Start with GPT-5.4

The charts below split 5 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.

Model compare

Gemini 1.5 Pro 001 vs GPT-5.4

gemini-1-5-pro-001-vs-gpt-5-4

Model A

Gemini

Gemini 1.5 Pro 001

Model B

OpenAI

GPT-5.4

Overall leaderContenderLeading
Verified metric wins0 wins4 wins
Where it leadsNo dataCheapest input price, Free providers, Provider coverage, Recent tests
Model metadataNo OpenRouter metadata is available yet for this model.GPT-5.4 exposes 1.1M tokens; notable signals: Text input, Image input, File input, Text output.
DeveloperGoogleOpenAI
Context windowNo data1.1M tokens
Max outputNo data128K tokens
ReleasedNo dataMar 2026
ModalitiesNo data

Input

TextImageFile

Output

Text
FeaturesNone listed
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
ParametersNo dataNo data
TokenizerNo dataGPT
Knowledge cutoffNo dataNo data
OpenRouter IDNo dataopenai/gpt-5.4
ReferencesNo dataNo data

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
0 / 8
Model B coverage
6 / 8
Shared
0 shared categories
Gemini 1.5 Pro 001GPT-5.4
Category performanceCompare benchmark category scores on a 0-100 scale. Select a category to inspect the gap.AgentsCodingReasoningKnowledgeMathMultilingualMultimodalInstruction following

Avg. score

Gemini 1.5 Pro 001

-

Avg. score

GPT-5.4

66.6

Selected category

Agents

GPT-5.4

Professional benchmark details

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

No shared professional benchmark scores are available yet.

API audit comparison

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

Provider
GeminiGemini 1.5 Pro 001
OpenAIGPT-5.4
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
GeminiGemini 1.5 Pro 001
OpenAIGPT-5.4
AIGCBAR0 tests
Gemini

Gemini 1.5 Pro 001

speed / latency

N/A / N/A

input / output

No data

OpenAI

GPT-5.4

speed / latency

N/A / N/A

input / output

No data

ocool AI0 tests
Gemini

Gemini 1.5 Pro 001

speed / latency

N/A / N/A

input / output

No data

OpenAI

GPT-5.4

speed / latency

N/A / N/A

input / output

No data

SanShui API0 tests
Gemini

Gemini 1.5 Pro 001

gemini-1.5-pro-001

speed / latency

N/A / N/A

input / output

$0.548/M / $2.19/M

OpenAI

GPT-5.4

gpt-5.4-openai-compact

speed / latency

N/A / N/A

input / output

$10.27/M / $61.64/M

兔子API0 tests
Gemini

Gemini 1.5 Pro 001

gemini-1.5-pro-001

speed / latency

N/A / N/A

input / output

$4.00/M / $16.00/M

OpenAI

GPT-5.4

gpt-5.4-2026-03-05

speed / latency

N/A / N/A

input / output

$75.00/M / $450.00/M

钱多多 API0 tests
Gemini

Gemini 1.5 Pro 001

gemini-1.5-pro-001

speed / latency

N/A / N/A

input / output

$1.22/M / $4.90/M

OpenAI

GPT-5.4

gpt-5.4-2026-03-05

speed / latency

N/A / N/A

input / output

$36.71/M / $220.28/M

When to choose each model

This report only uses LMSpeed data for Gemini 1.5 Pro 001 and GPT-5.4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
GeminiGemini 1.5 Pro 001
OpenAIGPT-5.4
When to choose each model

Gemini 1.5 Pro 001

Gemini 1.5 Pro 001 does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing.

GPT-5.4

GPT-5.4 is stronger when you prioritize Cheapest input price, Free providers, Provider coverage, Recent tests.

FAQ

TL;DR: GPT-5.4 leads across 46 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.

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.

Related compare reports

Continue from Gemini 1.5 Pro 001 vs GPT-5.4 into nearby model comparisons with enough verified LMSpeed data.

ClaudeClaude Opus 4.6 vs Gemini 1.5 Pro 0014 verified data pointsGeminiGemini 1.5 Pro 001 vs GPT-54 verified data pointsGeminiGemini 1.5 Pro 001 vs Gemini 2.5 Pro4 verified data pointsGeminiGemini 1.5 Pro 001 vs GPT-5.24 verified data points

Data as of Jun 19, 2026, 08:31 AM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.