GPT-5.6 Luna

✅ Active

Most cost-efficient GPT-5.6 model for high-throughput tasks; succeeded by GPT-6 Luna

Provider list prices

Context Window

1.1M

Input Price

$0.20/1M

Output Price

$1.20/1M

Released

Jul 9, 2026

Capabilities

textvisionreasoningcodefunction-callingjson-mode

Crazyrouter API catalogue

Crazyrouter prices: $0.13 / $0.78

Catalogue checked: 2026-10-10T14:22:39+00:00. USD per 1M tokens, default group. The first context tier is shown; long contexts may cost more. This is a gateway catalogue snapshot, not a provider release announcement.

Get API Access →Current API models

curl https://crazyrouter.com/v1/chat/completions \
  -H "Authorization: Bearer $CRAZYROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"gpt-5.6-luna","messages":[{"role":"user","content":"Hello"}],"max_tokens":64}'

Version History

Sep 22, 2026Update

Succeeded by GPT-6 Luna, which launched at half the price

Jul 30, 2026Pricing Change

Price reduced 80% to $0.20 per 1M input tokens and $1.20 per 1M output tokens

Jul 9, 2026New Release

GPT-5.6 Luna released as the fastest and lowest-cost GPT-5.6 model, replacing the former nano tier

Jul 9, 2026Pricing Change

Launch pricing set at $1.00 per 1M input tokens and $6.00 per 1M output tokens