Gemini 3.5 Flash-LitevsGPT-5.6 Luna
Across 7 shared benchmarks, GPT-5.6 Luna leads overall: Gemini 3.5 Flash-Lite wins 1, GPT-5.6 Luna wins 6, with 0 ties and an average score difference of -155.47.
Gemini 3.5 Flash-Lite
Google Deep Mind · 2026-07-21 · Multimodal model
GPT-5.6 Luna
OpenAI · 2026-06-26 · Reasoning model
Gemini 3.5 Flash-Lite1 win(14%)(86%)6 winsGPT-5.6 Luna
Benchmark scores
Grouped by capability, sorted by largest gap within each. 7 shared benchmarks.
Math and Reasoning
GPT-5.6 Luna 2/2| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| FrontierMath Tier 4 v2 | 039 / 40Thinking High (No Tools) | 60.987 / 40最高（无工具） | -60.98 |
| FrontierMath v2 | 25.9646 / 58Thinking High (No Tools) | 39.6536 / 58Normal (No Tools) | -13.68 |
AI Agent - Tool Usage
GPT-5.6 Luna 1/1| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| Terminal-Bench 2.1 | 5445 / 47Thinking (With Tools) | 84.7011 / 47最高（无工具） | -30.70 |
General Evaluation
Gemini 3.5 Flash-Lite 1/1| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| GPQA Diamond | 83.33114 / 270Thinking High (No Tools) | 63.64218 / 270Normal (No Tools) | +19.70 |
Productivity Knowledge
GPT-5.6 Luna 1/1| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| AA-Briefcase | 636.9517 / 19Thinking (With Tools) | 1,36010 / 19Max (With Tools) | -722.81 |
Text Embedding
GPT-5.6 Luna 1/1| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| Context Arena | 72.5757 / 126Thinking High (No Tools) | 81.8034 / 126最高（无工具） | -9.23 |
Writing and Creative Capabilities
GPT-5.6 Luna 1/1| Benchmark | Gemini 3.5 Flash-Lite | GPT-5.6 Luna | Diff |
|---|---|---|---|
| Creative Writing | 1,55641 / 99Normal (No Tools) | 1,82714 / 99Normal (No Tools) | -270.60 |
Specs
| Field | Gemini 3.5 Flash-Lite | GPT-5.6 Luna |
|---|---|---|
| Publisher | Google Deep Mind | OpenAI |
| Release date | 2026-07-21 | 2026-06-26 |
| Model type | Multimodal model | Reasoning model |
| Architecture | Dense | Dense |
| Parameters | Not available | Not available |
| Context length | 1M | 1.05M |
| Max output | 64K | 128K |
API pricing
Prices use DataLearner records when available; missing fields are not inferred.
| Item | Gemini 3.5 Flash-Lite | GPT-5.6 Luna |
|---|---|---|
| Text input | $0.3 / 1M tokens | $0.2 / 1M tokens |
| Text output | $2.5 / 1M tokens | $1.2 / 1M tokens |
| Cache read | $0.03 / 1M tokens | $0.02 / 1M tokens |
| Cache write | Not public | $0.25 / 1M tokens |
Summary
- Gemini 3.5 Flash-Liteleads in:General Evaluation (1/1)
- GPT-5.6 Lunaleads in:Math and Reasoning (2/2), AI Agent - Tool Usage (1/1), Productivity Knowledge (1/1), Text Embedding (1/1), Writing and Creative Capabilities (1/1)
On average across the 7 shared benchmarks, GPT-5.6 Luna scores 155.47 higher.
Largest single-benchmark gap: AA-Briefcase — Gemini 3.5 Flash-Lite 636.95 vs GPT-5.6 Luna 1,360 (-722.81).
Page generated from structured model, pricing and benchmark records. No real-time LLM is used to write the prose.