LogoLMSpeed
  • Home
  • Free
  • Models
  • Providers
  • Docs
LogoLMSpeed
LogoLMSpeed

The best API speed test tool

GitHubGitHubTwitterX (Twitter)Email
Product
  • Features
  • Pricing
  • FAQ
Leaderboard
  • Overview
  • Speed Ranking
  • Latency Ranking
  • Health Ranking
  • Model Pricing
  • Model Speed
  • Reasoning
  • Coding
Models
  • All Models
  • GPT
  • Claude
  • Gemini
  • DeepSeek
  • Llama
  • Qwen
Free Models
  • All Free Models
  • Free GPT
  • Free Claude
  • Free Gemini
  • Free DeepSeek
  • Free Llama
  • Free Qwen
Resources
  • Speed Test
  • Provider Directory
  • Documentation
Legal
  • Cookie Policy
  • Privacy Policy
  • Terms of Service
© 2026 LMSpeed All Rights Reserved.Made by Nexmoe with ❤️
Back to models

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 Gemini 3.1 Flash Lite, before the detailed comparison sheet.

Decision read

Tie

Tie currently has the stronger profile, with verified wins split 3 to 3.

Evidence depth

100 data points

Includes 8 benchmark rows, 4 audit samples, and 7 provider examples.

Selection signal

Tie

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

Model compare

Claude Opus 4.6 vs Gemini 3.1 Flash Lite

claude-opus-4-6-vs-gemini-3-1-flash-lite

Model A

Claude

Claude Opus 4.6

Model B

Gemini

Gemini 3.1 Flash Lite

Overall leaderTieTie
Verified metric wins3 wins3 wins
Where it leadsFree providers, Provider coverage, Recent testsCheapest input price, Average speed, First-token latency
Model metadataClaude Opus 4.6 exposes 1M tokens; notable signals: Text input, Image input, File input, Text output.Gemini 3.1 Flash Lite 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
ReleasedApr 2026May 2026
Modalities

Input

TextImageFile

Output

Text

Input

TextImagevideoFileAudio

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 dataNo data
OpenRouter IDanthropic/claude-opus-4.6-fastgoogle/gemini-3.1-flash-lite
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
GeminiGemini 3.1 Flash Lite
Output speed
44.9 tok/s#96
319.9 tok/s#3
Input price
$5.00/M#41
$0.250/M#12
Output price
$25.00/M#47
$1.50/M#20
SciCode
45.7%#20
41.9%#37
Blended price
$10.00/M#68
$0.563/M#27
Time to first answer token
1.44 s#34
5.31 s#50
GPQA
84.0%#38
82.2%#48
HLE
18.6%#43
16.2%#49

API audit comparison

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

Provider
ClaudeClaude Opus 4.6
GeminiGemini 3.1 Flash Lite
VSLLMWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

94

View report
76100100100
Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite-preview

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
Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite

No audit yet

钠 APIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

80

View report
668470100
Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite

No audit yet

RenRen APIWinner: Claude Opus 4.6
Claude

Claude Opus 4.6

claude-opus-4-6

Audit score

78

View report
70728088
Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite

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
GeminiGemini 3.1 Flash Lite
小水管 API20 tests
Claude

Claude Opus 4.6

claude-opus-4-6

speed / latency

45 tok/s / 6167ms

input / output

$0/M / $0/M

Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite

speed / latency

218 tok/s / 4094ms

input / output

$0/M / $0/M

钠 API20 tests
Claude

Claude Opus 4.6

speed / latency

42 tok/s / 2282ms

input / output

No data

Gemini

Gemini 3.1 Flash Lite

speed / latency

N/A / N/A

input / output

No data

Rnglg2 API15 tests
Claude

Claude Opus 4.6

speed / latency

57 tok/s / 3926ms

input / output

No data

Gemini

Gemini 3.1 Flash Lite

speed / latency

N/A / N/A

input / output

No data

ModelPool10 tests
Claude

Claude Opus 4.6

speed / latency

84 tok/s / 3916ms

input / output

No data

Gemini

Gemini 3.1 Flash Lite

speed / latency

N/A / N/A

input / output

No data

91VIP5 tests
Claude

Claude Opus 4.6

speed / latency

N/A / N/A

input / output

No data

Gemini

Gemini 3.1 Flash Lite

speed / latency

120 tok/s / 11321ms

input / output

No data

Crond
Claude

Claude Opus 4.6

c/claude-opus-4-6-thinking

speed / latency

No data

input / output

$0.0017/M / $0.0017/M

Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite-preview

speed / latency

No data

input / output

$0.300/M / $1.20/M

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

Gemini

Gemini 3.1 Flash Lite

gemini-3.1-flash-lite-preview

speed / latency

No data

input / output

$0.010/M / $0.031/M

When to choose each model

This report only uses LMSpeed data for Claude Opus 4.6 and Gemini 3.1 Flash Lite: pricing, speed aggregates, third-party benchmark scores, and shared provider samples.

Guidance
ClaudeClaude Opus 4.6
GeminiGemini 3.1 Flash Lite
When to choose each model

Claude Opus 4.6

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

Gemini 3.1 Flash Lite

Gemini 3.1 Flash Lite is stronger when you prioritize Cheapest input price, Average speed, First-token latency.

FAQ

TL;DR: Tie 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 Gemini 3.1 Flash Lite 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, 03:10 PM·Rankings are based on community-submitted tests and periodic health probes. Advisory only, not official data.