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Back to models

Data points: 77

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-4, before the detailed comparison sheet.

Decision read

Claude Opus 4.6

Claude Opus 4.6 currently has the stronger profile, with verified wins split 5 to 1.

Evidence depth

77 data points

Includes 6 benchmark rows, 0 audit samples, and 8 provider examples.

Selection signal

Start with Claude Opus 4.6

The charts below split 14 high-signal samples across speed, scores, and audit health.

Model compare

Claude Opus 4.6 vs GPT-4

claude-opus-4-6-vs-gpt-4

Model A

Claude

Claude Opus 4.6

Model B

OpenAI

GPT-4

Overall leaderLeadingContender
Verified metric wins5 wins1 wins
Where it leadsCheapest input price, Average speed, Free providers, Provider coverage, Recent testsFirst-token latency
Model metadataClaude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.GPT-4 exposes 8.2K tokens; notable signals: Text input, Text output, Tool calling, Structured outputs.
DeveloperAnthropicOpenAI
Context window1M tokens8.2K tokens
Max output128K tokens4.1K tokens
ReleasedApr 2026May 2023
Modalities

Input

TextImageFile

Output

Text

Input

Text

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputText outputTool callingStructured outputsJSON mode
ParametersNo dataNo data
TokenizerClaudeGPT
Knowledge cutoffNo data2021-09-30
OpenRouter IDanthropic/claude-opus-4.6-fastopenai/gpt-4
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-4
Time to first answer token
1.44 s#34
1.07 s#25
Time to first token
1.44 s#57
1.07 s#40
Input price
$5.00/M#41
$30.00/M#46
Output price
$25.00/M#47
$60.00/M#50
Blended price
$10.00/M#68
$37.50/M#75
Output speed
44.9 tok/s#96
39.3 tok/s#101

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-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
ClaudeClaude Opus 4.6
OpenAIGPT-4
Rnglg2 API15 tests
Claude

Claude Opus 4.6

speed / latency

57 tok/s / 3926ms

input / output

No data

OpenAI

GPT-4

speed / latency

N/A / N/A

input / output

No data

Cuz AI5 tests
Claude

Claude Opus 4.6

speed / latency

43 tok/s / 2285ms

input / output

No data

OpenAI

GPT-4

speed / latency

N/A / N/A

input / output

No data

N1N5 tests
Claude

Claude Opus 4.6

speed / latency

46 tok/s / 2559ms

input / output

No data

OpenAI

GPT-4

speed / latency

N/A / N/A

input / output

No data

TradingBase API5 tests
Claude

Claude Opus 4.6

speed / latency

43 tok/s / 1437ms

input / output

No data

OpenAI

GPT-4

speed / latency

N/A / N/A

input / output

No data

小水管 API5 tests
Claude

Claude Opus 4.6

speed / latency

45 tok/s / 6167ms

input / output

No data

OpenAI

GPT-4

speed / latency

N/A / N/A

input / output

No data

ZEN-AI VIP
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.205/M / $1.03/M

OpenAI

GPT-4

gpt-4-32k-0613

speed / latency

No data

input / output

$2.47/M / $4.93/M

Zero API
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.342/M / $1.71/M

OpenAI

GPT-4

gpt-4

speed / latency

No data

input / output

$2.05/M / $4.11/M

DreamChatBot
Claude

Claude Opus 4.6

claude-opus-4-6

speed / latency

No data

input / output

$0.685/M / $3.42/M

OpenAI

GPT-4

gpt-4-32k-0613

speed / latency

No data

input / output

$8.22/M / $16.44/M

When to choose each model

This report only uses LMSpeed data for Claude Opus 4.6 and GPT-4: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude Opus 4.6
OpenAIGPT-4
When to choose each model

Claude Opus 4.6

Claude Opus 4.6 is stronger when you prioritize Cheapest input price, Average speed, Free providers, Provider coverage, Recent tests.

GPT-4

GPT-4 is stronger when you prioritize First-token latency.

FAQ

TL;DR: Claude Opus 4.6 leads across 77 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-4 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 GPT-5.26 verified data pointsClaudeClaude Opus 4.6 vs Gemini 2.5 Pro6 verified data points

Data as of Jun 13, 2026, 04:12 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.