GPT-5.6 Luna
FeaturedBy OpenAI · Visit provider →
GPT-5.6 Luna is the fast, cost-effective model in the 5.6 family. It punches above its weight on everyday tasks like summarization, classification, and simple coding while keeping costs low.
Input Price
$1.00
per 1M tokens
Output Price
$6.00
per 1M tokens
Context Window
256K
tokens
Key Strengths
- Excellent price-performance ratio
- Very low latency
- Good for high-throughput batch processing
- Handles common tasks reliably
Best Use Cases
Text summarization and classificationSimple code generationContent moderation pipelinesHigh-volume chat applications
Pricing Details
| Metric | Value |
|---|---|
| Input (per 1M tokens) | $1.00 |
| Output (per 1M tokens) | $6.00 |
| Context window | 256K tokens |
| Provider | OpenAI |
| Architecture | Lightweight dense transformer, 256K context window, optimized for speed and efficiency |
Fast, cost-effective
Benchmark Performance
GPQA Diamond 83.5 / 100
Coding Index 44.2 / 100
Intelligence Index 33.9 / 100
Humanity's Last Exam 19.8 / 100
Source: Artificial Analysis (independent benchmarking). Updated 2026-08-08.
Recent AI News
Startups
OpenAI's Ultrafast mode hits 750 tokens per second on Cerebras chips
TechCrunch AI · Aug 13, 2026
Startups
IBM bets big on OpenAI, will retrain tens of thousands of consultants
TechCrunch AI · Aug 13, 2026
Startups
Anthropic: Claude agents launch 'turf wars' and self-replicating malware
TechCrunch AI · Aug 13, 2026
AI News
Google slashes Gemini 3.7 Flash pricing by 50% to $0.75 per 1M tokens
MarkTechPost · Aug 13, 2026
Startups
OpenAI's CRO exits after 9 months as Wiz COO Dali Rajic takes over sales
TechCrunch AI · Aug 13, 2026
Get smarter about AI
The sharpest AI news, curated daily. Delivered free to your inbox.
Pricing data is sourced from official API documentation and updated weekly. Actual costs may vary based on prompt caching, batch processing, service tiers, and regional pricing. Inblix is not affiliated with OpenAI.