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GPT-5.6 Luna

by OpenAI

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic

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GPT-5.6 Luna

Added 10 July 2026

#openai

Overview

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...

How to use / API access

Call via OpenRouter with model id `openai/gpt-5.6-luna`.

  • openrouter · openai/gpt-5.6-luna Docs

OpenRouter id: openai/gpt-5.6-luna

Benchmarks

  • Intelligence Index (artificial-analysis): 37.3 index
  • Coding Index (artificial-analysis): 71.4 index
  • Agentic Index (artificial-analysis): 42.1 index

Notes

GPT-5.6 Luna is listed in the EDNA Models directory from the OpenRouter catalogue.

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USAGE / OPENROUTER

How much GPT-5.6 Luna is used

Tokens processed through OpenRouter each day. It shows what developers actually run, not every company's private traffic.

Tokens, last 7 days
1.7T ▼6.8%
Requests, last 7 days
160M
Tool calls, last 7 days
32.8M
Intelligence score
37.3
People's vote
1431
Average cost per request
17.7¢
Price per million tokens
$0.2 in · $1.2 out
01T2T19 Sept: 1.1T tokens, 38.6M requests20 Sept: 1.2T tokens, 46.7M requests21 Sept: 1.3T tokens, 46.9M requests22 Sept: 1.5T tokens, 49.9M requests23 Sept: 1.2T tokens, 42.9M requests24 Sept: 1.2T tokens, 34.4M requests25 Sept: 1.1T tokens, 31.2M requests26 Sept: 1.1T tokens, 25M requests27 Sept: 1.1T tokens, 23.2M requests28 Sept: 1.3T tokens, 31.8M requests29 Sept: 1.3T tokens, 35.6M requests30 Sept: 685B tokens, 40.2M requests1 Oct: 369B tokens, 37.8M requests2 Oct: 325B tokens, 37.2M requests3 Oct: 205B tokens, 32.3M requests4 Oct: 234B tokens, 33.4M requests5 Oct: 279B tokens, 35.6M requests6 Oct: 264B tokens, 27.7M requests7 Oct: 282B tokens, 22.4M requests8 Oct: 304B tokens, 23.4M requests9 Oct: 300B tokens, 19.1M requests10 Oct: 207B tokens, 15.6M requests11 Oct: 213B tokens, 15.9M requests12 Oct: 253B tokens, 22.1M requests13 Oct: 250B tokens, 25.7M requests14 Oct: 284B tokens, 25.8M requests15 Oct: 246B tokens, 23.1M requests16 Oct: 242B tokens, 23.7M requests17 Oct: 269B tokens, 25.2M requests18 Oct: 180B tokens, 14.6M requests19 Sept3 Oct17 Oct18 OctSee where it ranks on the leaderboard →

FROM SPECIFICATIONS TO YOUR WORK

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Check the source

Price date: 2026-10-18. Prices are USD API token rates. Your app subscription, uploads, browsing and tools are separate.

Model source & availability ↗

Understand the evidence

Listed capabilities and third-party benchmark scores do not establish Enterprise DNA task-test results. Validate accuracy and total cost on your own sample.

Intelligence Index: 37.3 (2026-10-18) ↗Coding Index: 71.4 (2026-10-18) ↗Agentic Index: 42.1 (2026-10-18) ↗
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