Why is this comparison indexable?

It has 3 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.

Back to models

Data points: 38

Key Takeaways

The readout for DeepSeek V3.2 Exp and GPT-5.2, before the detailed comparison sheet.

Decision read

GPT-5.2

GPT-5.2 currently has the stronger profile, with verified wins split 0 to 3.

Evidence depth

38 data points

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

Selection signal

Start with GPT-5.2

The charts below split 8 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.

Model AModel B

Select a different model to open a new comparison URL.

Model compare DeepSeek V3.2 Exp vs GPT-5.2 deepseek-v3-2-exp-vs-gpt-5-2	Model A DeepSeek V3.2 Exp	Model B GPT-5.2
Overall leader	Contender	Leading
Verified metric wins	0 wins	3 wins
Where it leads	No data

Model compare

DeepSeek V3.2 Exp vs GPT-5.2

deepseek-v3-2-exp-vs-gpt-5-2

Model A

DeepSeek V3.2 Exp

Model B

GPT-5.2

Overall leader

Contender

Leading

Verified metric wins

0 wins

3 wins

Where it leads

No 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: 2 / 8
Model B coverage: 6 / 8
Shared: 2 shared categories

DeepSeek V3.2 ExpGPT-5.2

Avg. score

DeepSeek V3.2 Exp

51.5

Avg. score

GPT-5.2

64.1

Selected category

Coding

GPT-5.2 leads by 8.8

Professional benchmark details

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

Group

Pricingverified

Output price

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

$0.420/M

Rank #17/138 · confidence 4

+$13.58/M

GPT-5.2

$14.00/M

Rank #113/138 · confidence 4

Pricingverified

Blended price

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

$0.315/M

Rank #26/138 · confidence 4

+$4.50/M

GPT-5.2

$4.81/M

Rank #113/138 · confidence 4

Pricingverified

Input price

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

$0.280/M

Rank #39/138 · confidence 4

+$1.47/M

GPT-5.2

$1.75/M

Rank #104/138 · confidence 4

Reasoningverified

MMLU-Pro

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

83.6%

Rank #34/113 · confidence 4

+2.2%

GPT-5.2

81.4%

Rank #51/113 · confidence 4

Reasoningverified

HLE

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

8.6%

Rank #73/150 · confidence 4

+1.3%

GPT-5.2

7.3%

Rank #81/150 · confidence 4

Reasoningverified

GPQA

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

winner

73.8%

Rank #79/152 · confidence 4

+2.6%

GPT-5.2

71.2%

Rank #85/152 · confidence 4

Codingverified

LiveCodeBench

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

55.4%

Rank #53/108 · confidence 4

+11.5%

GPT-5.2

winner

66.9%

Rank #38/108 · confidence 4

Codingverified

SciCode

SourceDeepSeek V3.2 Exp (Non-reasoning)

DeepSeek V3.2 Exp

39.9%

Rank #53/149 · confidence 4

+0.5%

GPT-5.2

winner

40.4%

Rank #48/149 · confidence 4

API audit comparison

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

Provider	DeepSeek V3.2 Exp	GPT-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	DeepSeek V3.2 Exp	GPT-5.2
No shared provider examples are available yet.

When to choose each model

This report only uses LMSpeed data for DeepSeek V3.2 Exp and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance	DeepSeek V3.2 Exp	GPT-5.2
When to choose each model	DeepSeek V3.2 Exp DeepSeek V3.2 Exp does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing.	GPT-5.2 GPT-5.2 is stronger when you prioritize Free providers, Provider coverage, Recent tests.

FAQ

TL;DR: GPT-5.2 leads across 38 verifiable data points, including pricing, speed, latency, benchmarks, and provider examples.

Why is this comparison indexable?: It has 3 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.

Continue from DeepSeek V3.2 Exp vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.

Model metadata	DeepSeek V3.2 Exp exposes 163.8K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs.	GPT-5.2 exposes 400K tokens; notable signals: Text input, Image input, File input, Text output.
Developer	DeepSeek	OpenAI
Context window	163.8K tokens	400K tokens
Max output	65.5K tokens	128K tokens
Released	No data	Dec 2025
Modalities	Input Text Output Text	Input FileImageText Output Text
Features	Text inputText outputTool callingStructured outputsJSON modeReasoning	Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Parameters	No data	No data
Tokenizer	DeepSeek	GPT
Knowledge cutoff	2025-07-31	No data
OpenRouter ID	deepseek/deepseek-v3.2-exp	openai/gpt-5.2
References	No data	No data

Key Takeaways

Change comparison

DeepSeek V3.2 Exp vs GPT-5.2

DeepSeek V3.2 Exp

GPT-5.2

Benchmark score comparison

Category performance

Professional benchmark details

Output price

Blended price

Input price

MMLU-Pro

HLE

GPQA

LiveCodeBench

SciCode

API audit comparison

Provider examples

When to choose each model

FAQ

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