head-to-head
OpenAI: GPT-5.6 Luna Pro (batch) vs Google: Gemini 3.1 Flash Lite
Side-by-side comparison of specs, pricing, benchmark scores, and task rankings. Updated 2026-09-23.
| OpenAI: GPT-5.6 Luna Pro (batch) | Google: Gemini 3.1 Flash Lite | |
|---|---|---|
| Vendor | openai | |
| Quality Score | 100 | 100 |
| Input Price | $0.10/M | $0.25/M |
| Output Price | $0.60/M | $1.50/M |
| Context Window | 1,050,000 | 1,048,576 |
| Max Output | 128,000 | 65,536 |
| Tool Calling | ✓ | ✓ |
| Structured Output | ✓ | ✓ |
| Reasoning Mode | ✓ | ✓ |
| Vision | ✓ | ✓ |
| Audio | - | ✓ |
Who wins by task?
| Task | OpenAI: GPT-5.6 Luna Pro (batch) | Google: Gemini 3.1 Flash Lite |
|---|---|---|
| SQL Generation | 133 | 133 |
| Code Completion | 131 | 131 |
| Code Documentation | 131 | 131 |
| Regex Writing | 119 | 119 |
| CSV / Spreadsheet Cleanup | 133 | 133 |
| JSON Extraction | 131 | 131 |
| Bulk Data Labeling | 129 | 129 |
| Long-Document Summarization | 137 | 137 |
| Short-Form Summarization | 123 | 123 |
| Blog Post Writing | 121 | 121 |
Scores reflect capability match + benchmark data + pricing for each task. Methodology →
Related comparisons
Anthropic: Claude Opus 4.8 (batch) vs Google: Gemini 3.1 Flash Lite
Anthropic: Claude Opus 5 (batch) vs OpenAI: GPT-5.6 Luna Pro (batch)
Anthropic: Claude Sonnet 5 vs Google: Gemini 3.1 Flash Lite
ByteDance Seed: Seed-2.0-Code vs OpenAI: GPT-5.6 Luna Pro (batch)
ByteDance Seed: Seed 2.1 Turbo vs OpenAI: GPT-5.6 Luna Pro (batch)
DeepSeek: DeepSeek V4.1 Flash vs OpenAI: GPT-5.6 Luna Pro (batch)
DeepSeek: DeepSeek V4 Flash Vision Exp vs OpenAI: GPT-5.6 Luna Pro (batch)
Google: Gemini 3.1 Flash Lite vs Anthropic: Claude Haiku Latest