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Data points: 91

On this page

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

Key Takeaways

The readout for Claude Sonnet 4.6 and Gemini 2.5 Pro, before the detailed comparison sheet.

Decision read

Claude Sonnet 4.6

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

Evidence depth

91 data points

Includes 8 benchmark rows, 2 audit samples, and 9 provider examples.

Selection signal

Start with Claude Sonnet 4.6

The charts below split 19 high-signal samples across speed, scores, and audit health.

Model compare

Claude Sonnet 4.6 vs Gemini 2.5 Pro

claude-sonnet-4-6-vs-gemini-2-5-pro

Model A

Claude

Claude Sonnet 4.6

Model B

Gemini

Gemini 2.5 Pro

Overall leaderLeadingContender
Verified metric wins5 wins1 wins
Where it leadsCheapest input price, First-token latency, Free providers, Provider coverage, Recent testsAverage speed
Model metadataClaude Sonnet 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.Gemini 2.5 Pro exposes 1.0M tokens; notable signals: Text input, Image input, File input, Audio input.
DeveloperAnthropicGoogle
Context window1M tokens1.0M tokens
Max output128K tokens65.5K tokens
ReleasedFeb 2026Jun 2025
Modalities

Input

TextImageFile

Output

Text

Input

TextImageFileAudiovideo

Output

Text
Features
Text inputImage inputFile inputText outputTool callingStructured outputsJSON modeReasoning
Text inputImage inputFile inputAudio inputText outputTool callingStructured outputsJSON modeReasoning
ParametersNo dataNo data
TokenizerClaudeGemini
Knowledge cutoffNo data2025-01-31
OpenRouter IDanthropic/claude-sonnet-4.6google/gemini-2.5-pro
ReferencesNo dataNo data

Benchmark score comparison

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

Metric
ClaudeClaude Sonnet 4.6
GeminiGemini 2.5 Pro
SciCode
46.9%#16
42.8%#32
Input price
$3.00/M#39
$1.25/M#30
Time to first answer token
1.28 s#30
23.08 s#77
GPQA
79.9%#58
84.4%#36
Output speed
47.0 tok/s#94
132.3 tok/s#36
HLE
13.2%#58
21.1%#37
Output price
$15.00/M#44
$10.00/M#41
Time to first token
1.28 s#51
23.08 s#97

API audit comparison

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

Provider
ClaudeClaude Sonnet 4.6
GeminiGemini 2.5 Pro
小水管 APIWinner: Claude Sonnet 4.6
Claude

Claude Sonnet 4.6

claude-sonnet-4-6

Audit score

82

View report
5375100100
Gemini

Gemini 2.5 Pro

gemini-2.5-pro

No audit yet

PackyAPIWinner: Claude Sonnet 4.6
Claude

Claude Sonnet 4.6

claude-sonnet-4-6

Audit score

81

View report
727280100
Gemini

Gemini 2.5 Pro

gemini-2.5-pro

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 Sonnet 4.6
GeminiGemini 2.5 Pro
UoCode25 tests
Claude

Claude Sonnet 4.6

speed / latency

32 tok/s / 6074ms

input / output

No data

Gemini

Gemini 2.5 Pro

speed / latency

N/A / N/A

input / output

No data

天宫造物25 tests
Claude

Claude Sonnet 4.6

speed / latency

40 tok/s / 3145ms

input / output

No data

Gemini

Gemini 2.5 Pro

speed / latency

N/A / N/A

input / output

No data

ModelPool15 tests
Claude

Claude Sonnet 4.6

speed / latency

41 tok/s / 3714ms

input / output

No data

Gemini

Gemini 2.5 Pro

speed / latency

81 tok/s / 21179ms

input / output

No data

素墨API15 tests
Claude

Claude Sonnet 4.6

anthropic/claude-sonnet-4.6

speed / latency

46 tok/s / 6386ms

input / output

$0.010/M / $0.010/M

Gemini

Gemini 2.5 Pro

gemini-2.5-pro

speed / latency

82 tok/s / 17042ms

input / output

$0.100/M / $0.100/M

N1N10 tests
Claude

Claude Sonnet 4.6

speed / latency

55 tok/s / 2094ms

input / output

No data

Gemini

Gemini 2.5 Pro

speed / latency

106 tok/s / 16405ms

input / output

No data

小水管 API
Claude

Claude Sonnet 4.6

claude-sonnet-4-6

speed / latency

No data

input / output

$0/M / $0/M

Gemini

Gemini 2.5 Pro

gemini-2.5-pro

speed / latency

No data

input / output

$0/M / $0/M

Crond
Claude

Claude Sonnet 4.6

c/claude-sonnet-4-6

speed / latency

No data

input / output

$0.0004/M / $0.0004/M

Gemini

Gemini 2.5 Pro

gemini-2.5-pro

speed / latency

No data

input / output

$2.50/M / $20.00/M

Koyeb AI Gateway
Claude

Claude Sonnet 4.6

claude-sonnet-4.6

speed / latency

No data

input / output

$0.037/M / $0.188/M

Gemini

Gemini 2.5 Pro

gemini-2.5-pro

speed / latency

No data

input / output

$0.0006/M / $0.0050/M

SWT-API
Claude

Claude Sonnet 4.6

claude-sonnet-4.6

speed / latency

No data

input / output

$0.037/M / $0.188/M

Gemini

Gemini 2.5 Pro

gemini-2.5-pro

speed / latency

No data

input / output

$0.0006/M / $0.0050/M

When to choose each model

This report only uses LMSpeed data for Claude Sonnet 4.6 and Gemini 2.5 Pro: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude Sonnet 4.6
GeminiGemini 2.5 Pro
When to choose each model

Claude Sonnet 4.6

Claude Sonnet 4.6 is stronger when you prioritize Cheapest input price, First-token latency, Free providers, Provider coverage, Recent tests.

Gemini 2.5 Pro

Gemini 2.5 Pro is stronger when you prioritize Average speed.

FAQ

TL;DR: Claude Sonnet 4.6 leads across 91 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 Sonnet 4.6 vs Gemini 2.5 Pro into nearby model comparisons with enough verified LMSpeed data.

ClaudeClaude Sonnet 4.6 vs GPT-5.46 verified data pointsClaudeClaude Opus 4.6 vs Claude Sonnet 4.66 verified data pointsClaudeClaude Sonnet 4.6 vs GPT-56 verified data pointsClaudeClaude Sonnet 4.6 vs GPT-5.26 verified data points

Data as of Jun 13, 2026, 03:06 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.