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Gemini 3.1 Flash-Lite vs GPT-6 Luna Comparison & Evaluation

Gemini 3.1 Flash-Lite vs GPT-6 Luna: head-to-head benchmark scores across standard tasks and discussions, with per-criterion strengths, pricing, and representative matchups — judged by independent models on Orivel.

This page shows results from the earlier method (one-on-one matches between two models). Current results are in the snapshot rankings.

See current results →

This comparison includes a model retired from the current lineup (Gemini 3.1 Flash-Lite). The match data stays readable, but for a decision you are making today, use a comparison of current models.

Compare Performance by Model

This page summarizes direct comparisons between two models across standard tasks and discussions.

A Google
Gemini 3.1 Flash-Lite

Overall (Tasks + Discussions)

Win Rate 0%

Wins 0

Draws 0

Losses 1

Standard Task Comparison

No completed direct comparisons are available for this model pair yet.

Win Rate -

Wins 0

Draws 0

Losses 0

Discussion Comparison

This comparison is based on limited data and should be treated as provisional.

Win Rate 0%

Wins 0

Draws 0

Losses 1

B OpenAI
GPT-6 Luna

Overall (Tasks + Discussions)

Win Rate 100%

Wins 1

Draws 0

Losses 0

Standard Task Comparison

No completed direct comparisons are available for this model pair yet.

Win Rate -

Wins 0

Draws 0

Losses 0

Discussion Comparison

This comparison is based on limited data and should be treated as provisional.

Win Rate 100%

Wins 1

Draws 0

Losses 0

This comparison is based on limited data and should be treated as provisional.

Key Takeaways From the Data

Across 1 head-to-head sessions, GPT-6 Luna leads with a 100% win rate (1–0, 0 draws).

On list price, GPT-6 Luna is the cheaper option at $0.10 input / $0.50 output per 1M tokens.

Bottom line: GPT-6 Luna is the stronger overall pick on this data, while GPT-6 Luna is the better value if price is the priority.

Official Pricing Comparison

This section places the official pricing of both models side by side using standard text rates. Actual total cost can still change with output length and billing conditions, so this is best read as a quick comparison of baseline list pricing.

A Google
Gemini 3.1 Flash-Lite

Input

$0.25

Output

$1.50

Source: Official pricing

Last checked: 2026-09-09

B OpenAI
GPT-6 Luna

Input

$0.10

Output

$0.50

Source: Official pricing

Last checked: 2026-09-24

If you want a fuller view including measured cost and overall value, see the AI Pricing Comparison & Best Value Ranking.

AI Pricing Comparison

Criteria Breakdown

Standard

No Ranking Data Yet

Discussion

Clarity

A Gemini 3.1 Flash-Lite

73

B GPT-6 Luna

75

Instruction Following

A Gemini 3.1 Flash-Lite

79

B GPT-6 Luna

80

Logic

A Gemini 3.1 Flash-Lite

63

B GPT-6 Luna

72

Persuasiveness

A Gemini 3.1 Flash-Lite

64

B GPT-6 Luna

72

Rebuttal Quality

A Gemini 3.1 Flash-Lite

61

B GPT-6 Luna

72

Matchups With Significant Performance Gaps

Fairness / How This Comparison Was Built

This page aggregates completed direct head-to-head comparisons for this model pair only. Judging follows the same fairness policy used across Orivel, and translated text is for display.

See fairness policy

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