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Back to models

Data points: 72

On this page

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

Key Takeaways

The readout for Gemini 2.0 Flash and GPT-5.2, before the detailed comparison sheet.

Decision read

Gemini 2.0 Flash

Gemini 2.0 Flash currently has the stronger profile, with verified wins split 4 to 2.

Evidence depth

72 data points

Includes 8 benchmark rows, 0 audit samples, and 9 provider examples.

Selection signal

Start with Gemini 2.0 Flash

The charts below split 17 high-signal samples across speed, scores, and audit health.

Model compare

Gemini 2.0 Flash vs GPT-5.2

gemini-2-0-flash-vs-gpt-5-2

Model A

Gemini

Gemini 2.0 Flash

Model B

OpenAI

GPT-5.2

Overall leaderLeadingContender
Verified metric wins4 wins2 wins
Where it leadsCheapest input price, Average speed, First-token latency, Recent testsFree providers, Provider coverage
Model metadataNo OpenRouter metadata is available yet for this model.GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output.
DeveloperGoogleOpenAI
Context windowNo data128K tokens
Max outputNo data16.4K tokens
ReleasedNo dataDec 2025
ModalitiesNo data

Input

FileImageText

Output

Text
FeaturesNone listed
Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode
ParametersNo dataNo data
TokenizerNo dataGPT
Knowledge cutoffNo dataNo data
OpenRouter IDNo dataopenai/gpt-5.2-chat
ReferencesNo dataNo data

Benchmark score comparison

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

Metric
GeminiGemini 2.0 Flash
OpenAIGPT-5.2
LiveCodeBench
33.4%#74
88.9%#4
MMLU-Pro
77.9%#50
87.4%#6
GPQA
62.3%#99
90.3%#9
HLE
5.3%#84
35.4%#9
Input price
$0.150/M#9
$1.75/M#35
SciCode
33.3%#82
52.1%#9
Output price
$0.600/M#10
$14.00/M#43
Blended price
$0.262/M#15
$4.81/M#62

API audit comparison

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

Provider
GeminiGemini 2.0 Flash
OpenAIGPT-5.2
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 2.0 Flash
OpenAIGPT-5.2
ChatGTP110 tests
Gemini

Gemini 2.0 Flash

speed / latency

145 tok/s / 5183ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

N/A / N/A

input / output

No data

N1N30 tests
Gemini

Gemini 2.0 Flash

speed / latency

140 tok/s / 863ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

56 tok/s / 1798ms

input / output

No data

天絮 API18 tests
Gemini

Gemini 2.0 Flash

speed / latency

146 tok/s / 4979ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

N/A / N/A

input / output

No data

丸美小沐10 tests
Gemini

Gemini 2.0 Flash

speed / latency

125 tok/s / 1234ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

N/A / N/A

input / output

No data

ModelPool5 tests
Gemini

Gemini 2.0 Flash

speed / latency

N/A / N/A

input / output

No data

OpenAI

GPT-5.2

speed / latency

64 tok/s / 5256ms

input / output

No data

Koyeb AI Gateway
Gemini

Gemini 2.0 Flash

gemini-2.0-flash

speed / latency

No data

input / output

$0.0001/M / $0.0002/M

OpenAI

GPT-5.2

gpt-5.2-chat

speed / latency

No data

input / output

$0.037/M / $0.300/M

SWT-API
Gemini

Gemini 2.0 Flash

gemini-2.0-flash

speed / latency

No data

input / output

$0.0001/M / $0.0002/M

OpenAI

GPT-5.2

gpt-5.2-chat

speed / latency

No data

input / output

$0.037/M / $0.300/M

CHB API
Gemini

Gemini 2.0 Flash

gemini-2.0-flash-exp

speed / latency

No data

input / output

$0.0082/M / $0.033/M

OpenAI

GPT-5.2

gpt-5.2-medium

speed / latency

No data

input / output

$0.024/M / $0.192/M

DreamChatBot
Gemini

Gemini 2.0 Flash

gemini-2.0-flash

speed / latency

No data

input / output

$0.014/M / $0.055/M

OpenAI

GPT-5.2

gpt-5.2

speed / latency

No data

input / output

$0.342/M / $2.74/M

When to choose each model

This report only uses LMSpeed data for Gemini 2.0 Flash and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
GeminiGemini 2.0 Flash
OpenAIGPT-5.2
When to choose each model

Gemini 2.0 Flash

Gemini 2.0 Flash is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Recent tests.

GPT-5.2

GPT-5.2 is stronger when you prioritize Free providers, Provider coverage.

FAQ

TL;DR: Gemini 2.0 Flash leads across 72 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.

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.

Related compare reports

Continue from Gemini 2.0 Flash vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.

GeminiGemini 2.0 Flash vs GPT-5.46 verified data pointsClaudeClaude Opus 4.6 vs Gemini 2.0 Flash6 verified data pointsGeminiGemini 2.0 Flash vs GPT-56 verified data pointsGeminiGemini 2.0 Flash vs Gemini 2.5 Pro6 verified data points

Data as of Jun 13, 2026, 03:01 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.