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Data points: 100

On this page

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

Key Takeaways

The readout for Claude Opus 4.6 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 2 to 4.

Evidence depth

100 data points

Includes 8 benchmark rows, 4 audit samples, and 8 provider examples.

Selection signal

Start with GPT-5.2

The charts below split 20 high-signal samples across speed, scores, and audit health.

Model compare

Claude Opus 4.6 vs GPT-5.2

claude-opus-4-6-vs-gpt-5-2

Model A

Claude

Claude Opus 4.6

Model B

OpenAI

GPT-5.2

Overall leaderContenderLeading
Verified metric wins2 wins4 wins
Where it leadsFree providers, Recent testsCheapest input price, Average speed, First-token latency, Provider coverage
Model metadataClaude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.GPT-5.2 exposes 128K tokens; notable signals: Text input, Image input, File input, Text output.
DeveloperAnthropicOpenAI
Context window1M tokens128K tokens
Max output128K tokens16.4K tokens
ReleasedApr 2026Dec 2025
Modalities

Input

TextImageFile

Output

Text

Input

FileImageText

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputImage inputFile inputText outputTool callingStructured outputsJSON mode
ParametersNo dataNo data
TokenizerClaudeGPT
Knowledge cutoffNo dataNo data
OpenRouter IDanthropic/claude-opus-4.6-fastopenai/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
ClaudeClaude Opus 4.6
OpenAIGPT-5.2
GPQA
84.0%#38
90.3%#9
HLE
18.6%#43
35.4%#9
SciCode
45.7%#20
52.1%#9
Time to first answer token
1.32 s#33
101.21 s#108
Input price
$6.25/M#41
$1.75/M#34
Output price
$25.00/M#46
$14.00/M#42
Time to first token
1.32 s#54
101.21 s#109
Blended price
$10.94/M#67
$4.81/M#61

API audit comparison

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

Provider
ClaudeClaude Opus 4.6
OpenAIGPT-5.2
BUZZWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

97

View report
10010010088
OpenAI

GPT-5.2

gpt-5.2

No audit yet

Cuz AIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

89

View report
56100100100
OpenAI

GPT-5.2

gpt-5.2

No audit yet

小水管 APIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

84

View report
728480100
OpenAI

GPT-5.2

gpt-5.2-chat-latest

No audit yet

钠 APIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

80

View report
668470100
OpenAI

GPT-5.2

gpt-5.2

No audit yet

Provider examples

Speed aggregates and input/output pricing share each provider row for real API selection and migration cost checks.

Provider
ClaudeClaude Opus 4.6
OpenAIGPT-5.2
钠 API25 tests
Claude

Claude Opus 4.6

speed / latency

42 tok/s / 2282ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

60 tok/s / 3331ms

input / output

No data

N1N20 tests
Claude

Claude Opus 4.6

speed / latency

46 tok/s / 2559ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

56 tok/s / 1798ms

input / output

No data

Rnglg2 API20 tests
Claude

Claude Opus 4.6

speed / latency

57 tok/s / 3926ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

55 tok/s / 1434ms

input / output

No data

ModelPool15 tests
Claude

Claude Opus 4.6

speed / latency

84 tok/s / 3916ms

input / output

No data

OpenAI

GPT-5.2

speed / latency

64 tok/s / 5256ms

input / output

No data

PackyAPI10 tests
Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

OpenAI

GPT-5.2

speed / latency

94 tok/s / 11492ms

input / output

No data

Seamee API
Claude

Claude Opus 4.6

claude-opus-4.6

speed / latency

No data

input / output

$0/M / $0/M

OpenAI

GPT-5.2

GPT-5.2

speed / latency

No data

input / output

$75.00/M / $75.00/M

小水管 API
Claude

Claude Opus 4.6

claude-opus-4-6

speed / latency

No data

input / output

$0/M / $0/M

OpenAI

GPT-5.2

gpt-5.2-chat-latest

speed / latency

No data

input / output

$0/M / $0/M

XShuLab Sub2API
Claude

Claude Opus 4.6

claude-opus-4-6-low

speed / latency

No data

input / output

$0.0014/M / $0.0068/M

OpenAI

GPT-5.2

gpt-5.2-openai-compact

speed / latency

No data

input / output

$0.0005/M / $0.0038/M

When to choose each model

This report only uses LMSpeed data for Claude Opus 4.6 and GPT-5.2: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude Opus 4.6
OpenAIGPT-5.2
When to choose each model

Claude Opus 4.6

Claude Opus 4.6 is stronger when you prioritize Free providers, Recent tests.

GPT-5.2

GPT-5.2 is stronger when you prioritize Cheapest input price, Average speed, First-token latency, Provider coverage.

FAQ

TL;DR: GPT-5.2 leads across 100 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 Claude Opus 4.6 vs GPT-5.2 into nearby model comparisons with enough verified LMSpeed data.

ClaudeClaude Opus 4.6 vs GPT-5.46 verified data pointsClaudeClaude Opus 4.6 vs GPT-56 verified data pointsClaudeClaude Opus 4.6 vs Gemini 2.5 Pro6 verified data pointsClaudeClaude Opus 4.6 vs Qwen36 verified data points

Data as of Jun 11, 2026, 11:59 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.