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Back to models

Data points: 54

On this page

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

Key Takeaways

The readout for Claude 3 Opus and Claude Opus 4.6, before the detailed comparison sheet.

Decision read

Claude Opus 4.6

Claude Opus 4.6 currently has the stronger profile, with verified wins split 0 to 4.

Evidence depth

54 data points

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

Selection signal

Start with Claude Opus 4.6

The charts below split 8 high-signal samples across speed, scores, and audit health.

Model compare

Claude 3 Opus vs Claude Opus 4.6

claude-3-opus-vs-claude-opus-4-6

Model A

Claude

Claude 3 Opus

Model B

Claude

Claude Opus 4.6

Overall leaderContenderLeading
Verified metric wins0 wins4 wins
Where it leadsNo dataCheapest input price, Free providers, Provider coverage, Recent tests

Benchmark score comparison

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

Metric
ClaudeClaude 3 Opus
ClaudeClaude Opus 4.6
No shared benchmark metrics are available yet.

API audit comparison

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

Provider
ClaudeClaude 3 Opus
ClaudeClaude Opus 4.6
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 3 Opus
ClaudeClaude Opus 4.6
10 tests
Claude

Claude 3 Opus

claude-3-opus-20240229

speed / latency

N/A / N/A

input / output

$1.29/M / $6.43/M

When to choose each model

This report only uses LMSpeed data for Claude 3 Opus and Claude Opus 4.6: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude 3 Opus
ClaudeClaude Opus 4.6
When to choose each model

Claude 3 Opus

Claude 3 Opus does not clearly lead on the verified metrics here, so check provider-specific pricing before choosing.

Claude Opus 4.6

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

FAQ

TL;DR: Claude Opus 4.6 leads across 54 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 Claude 3 Opus vs Claude Opus 4.6 into nearby model comparisons with enough verified LMSpeed data.

Model metadataNo OpenRouter metadata is available yet for this model.Claude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.
DeveloperAnthropicAnthropic
Context windowNo data1M tokens
Max outputNo data128K tokens
ReleasedNo dataApr 2026
ModalitiesNo data

Input

TextImageFile

Output

Text
FeaturesNone listed
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
ParametersNo dataNo data
TokenizerNo dataClaude
Knowledge cutoffNo dataNo data
OpenRouter IDNo dataanthropic/claude-opus-4.6-fast
ReferencesNo dataNo data
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

84 tok/s / 3916ms

input / output

$0.429/M / $2.14/M

AASS API0 tests
Claude

Claude 3 Opus

speed / latency

N/A / N/A

input / output

No data

Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

AIGCBAR0 tests
Claude

Claude 3 Opus

speed / latency

N/A / N/A

input / output

No data

Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

AIO通用智能服务平台0 tests
Claude

Claude 3 Opus

speed / latency

N/A / N/A

input / output

No data

Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

Crond0 tests
Claude

Claude 3 Opus

speed / latency

N/A / N/A

input / output

No data

Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

Newagiai
Claude

Claude 3 Opus

claude-3-opus-latest

speed / latency

No data

input / output

$2.05/M / $10.27/M

Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.685/M / $3.42/M

SanShui API
Claude

Claude 3 Opus

claude-3-opus-20240229

speed / latency

No data

input / output

$2.05/M / $10.27/M

Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.685/M / $3.42/M

柏拉图AI
Claude

Claude 3 Opus

claude-3-opus-20240229

speed / latency

No data

input / output

$2.05/M / $10.27/M

Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.685/M / $3.42/M

ModelPool
ClaudeClaude 3 Opus vs GPT-5.44 verified data points
ClaudeClaude 3 Opus vs GPT-54 verified data points
ClaudeClaude 3 Opus vs GPT-5.24 verified data points
ClaudeClaude 3 Opus vs Gemini 2.5 Pro4 verified data points

Data as of Jun 13, 2026, 03:15 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.