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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 Claude Opus 4.6 and Grok-3, before the detailed comparison sheet.

Decision read

Claude Opus 4.6

Claude Opus 4.6 currently has the stronger profile, with verified wins split 4 to 2.

Evidence depth

72 data points

Includes 6 benchmark rows, 1 audit samples, and 8 provider examples.

Selection signal

Start with Claude Opus 4.6

The charts below split 15 high-signal samples across speed, scores, and audit health.

Model compare

Claude Opus 4.6 vs Grok-3

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

Model A

Claude

Claude Opus 4.6

Model B

Grok

Grok-3

Overall leaderLeadingContender
Verified metric wins4 wins2 wins
Where it leadsAverage speed, Free providers, Provider coverage, Recent testsCheapest input price, First-token latency
Model metadataClaude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.No OpenRouter metadata is available yet for this model.
DeveloperAnthropicNo data
Context window1M tokensNo data
Max output128K tokensNo data
ReleasedApr 2026No data
Modalities

Input

TextImageFile

Output

Text
No data
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
None listed
ParametersNo dataNo data
TokenizerClaudeNo data
Knowledge cutoffNo dataNo data
OpenRouter IDanthropic/claude-opus-4.6-fastNo data
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
GrokGrok-3
SciCode
45.7%#20
36.8%#67
GPQA
84.0%#38
69.3%#80
Input price
$5.00/M#41
$4.00/M#40
HLE
18.6%#43
5.1%#86
Output price
$25.00/M#47
$20.00/M#46
Blended price
$10.00/M#68
$8.00/M#67

API audit comparison

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

Provider
ClaudeClaude Opus 4.6
GrokGrok-3
RenRen APIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

78

View report
70728088
Grok

Grok-3

grok-3

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
GrokGrok-3
鲨鱼魔法25 tests
Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

Grok

Grok-3

speed / latency

39 tok/s / 2642ms

input / output

No data

GOU API10 tests
Claude

Claude Opus 4.6

speed / latency

51 tok/s / 9040ms

input / output

No data

Grok

Grok-3

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

Grok

Grok-3

speed / latency

N/A / N/A

input / output

No data

Undy API5 tests
Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

Grok

Grok-3

speed / latency

19 tok/s / 4518ms

input / output

No data

哈基米API站5 tests
Claude

Claude Opus 4.6

speed / latency

113 tok/s / 2192ms

input / output

No data

Grok

Grok-3

speed / latency

N/A / N/A

input / output

No data

KKSJ-AI
Claude

Claude Opus 4.6

claude-opus-4-6-thinking

speed / latency

No data

input / output

$9.25/M / $46.23/M

Grok

Grok-3

grok-3

speed / latency

No data

input / output

$0.0014/M / $0.0014/M

Crond
Claude

Claude Opus 4.6

c/claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.0017/M / $0.0017/M

Grok

Grok-3

grok-3

speed / latency

No data

input / output

$3.00/M / $15.00/M

AAAI
Claude

Claude Opus 4.6

claude-opus-4-6

speed / latency

No data

input / output

$5.00/M / $25.00/M

Grok

Grok-3

grok-3

speed / latency

No data

input / output

$0.0080/M / $0.0080/M

When to choose each model

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

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

Claude Opus 4.6

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

Grok-3

Grok-3 is stronger when you prioritize Cheapest input price, First-token latency.

FAQ

TL;DR: Claude Opus 4.6 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 Claude Opus 4.6 vs Grok-3 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, 04:11 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.