How much does GPT-5.6 Luna cost?

We do not have a verified API price for this model yet, so we do not publish one. We list the API price only when it is checked against the vendor's own pricing page.

Which subscription plans include GPT-5.6 Luna?

1 of the plans we track list it by name: Command Code Pro ($20/mo).

How does GPT-5.6 Luna rank on WebDev Arena?

It ranks 22 of 29 models we track with a published WebDev Arena score, at 1518. The rank is among the models on this site, not the full LMArena leaderboard.

What is the cheapest way to use GPT-5.6 Luna?

Command Code Pro is the cheapest subscription we track that lists it, at $20/month. Per-token API pricing is listed separately above.

OpenAI

GPT-5.6 Luna

Name: GPT-5.6 Luna
Brand: OpenAI

GPT-5.6 Luna scores 1518 on WebDev Arena — rank 22 of 29 models we track with a published score and we have no verified API price for it yet.

WebDev Arena

1518

rank 22 of 29 tracked models

Cheapest plan with it

Command Code Pro

$20/month

Visit Command Code pricing

Benchmark scores

Benchmark	Score	Rank	Source	Published
WebDev Arena	1518xHigh, Codex Harness	#22 of 29	LMArena	2026-10-19
FrontierCode	39.8%unknown	#17 of 25	Epoch AI Benchmarking Hub	2026-07-09
DeepSWE	67.2%max	#5 of 12	Epoch AI Benchmarking Hub	2026-07-09
CursorBench	35.9%max	#10 of 10	Epoch AI Benchmarking Hub	2026-07-09

The rank is among the 29 models we track with a published score for that benchmark — not the full leaderboard of the source, which lists many models we do not track. Where a source publishes several reasoning-effort settings, we show the model's best listed result.

API price

We do not have a verified API price for GPT-5.6 Luna. We publish a price only when it is checked against the vendor's own pricing page, so an unverified number never appears here.

Where it sits

GPT-5.6 Luna has no position on the value chart: the chart plots API price against benchmark score, and we have no verified API price for it. We would rather leave it off the chart than draw it at a price we have not checked.

Plans that include GPT-5.6 Luna

Command Code Pro
Command Code
$20/month~100,000 requests / month
“GPT-5.6 Luna, Grok 4.5, Qwen Max & Plus (closed-source, on every plan)”
Visit Command Code pricing

Other OpenAI models

Common questions

How much does GPT-5.6 Luna cost?: We do not have a verified API price for this model yet, so we do not publish one. We list the API price only when it is checked against the vendor's own pricing page.
Which subscription plans include GPT-5.6 Luna?: 1 of the plans we track list it by name: Command Code Pro ($20/mo).
How does GPT-5.6 Luna rank on WebDev Arena?: It ranks 22 of 29 models we track with a published WebDev Arena score, at 1518. The rank is among the models on this site, not the full LMArena leaderboard.
What is the cheapest way to use GPT-5.6 Luna?: Command Code Pro is the cheapest subscription we track that lists it, at $20/month. Per-token API pricing is listed separately above.