OpenAI: GPT-5.6 Luna
Listed on OpenRouter as openai/gpt-5.6-luna since Jul 10, 2026. 80 snapshot observations, 3 repricings.
$0.45per 1M blended · $0.20 in / $1.20 out
USD per 1M tokens · blended at 3 input : 1 output · at this price for 52 days (since Aug 18, 2026)
All-time low$0.23Jul 31, 2026
All-time high$2.25Jul 10, 2026
Change since first seen-80.0%$2.25 on Jul 10, 2026
Listed price over time
| Observed | Input | Output | Blended | Change |
|---|---|---|---|---|
| Aug 18, 2026 | $0.20 | $1.20 | $0.45 | +100.0% |
| Jul 31, 2026 | $0.10 | $0.60 | $0.23 | -80.0% |
| Jul 28, 2026 | $0.50 | $3.00 | $1.13 | -50.0% |
| Jul 10, 2026 | $1.00 | $6.00 | $2.25 | first observation |
Where it is listed today
Current listed rates across the sources LLMPI compares. The cheapest blended row is highlighted; lower price never implies identical terms, speed, or quality.
| Source | Input | Output | Blended | Listing ID |
|---|---|---|---|---|
| OpenRouter Pricing evidence | $0.20 | $1.20 | $0.45 | openai/gpt-5.6-luna |
| AIHubMix Pricing evidence | $0.20 | $1.20 | $0.45 | gpt-5.6-luna |
| Nous Portal Provider catalog (not exact listing evidence) | $0.20 | $1.20 | $0.45 | openai/gpt-5.6-luna |
| Direct API Pricing evidence | $0.20 | $1.20 | $0.45 | gpt-5.6-luna |
Evidence and scope
- Source
- OpenRouter public model listing
- Archive
- Wayback Machine snapshots of that listing (weekly-grade, from July 2023) plus LLMPI's own daily snapshots since June 2026
- Last observed
- Oct 9, 2026
- Data
- history.json (CC BY 4.0)
This is the listed standard text-token rate for one OpenRouter listing ID. It does not normalize caching, batch discounts, long-context tiers, providers behind the listing, or model quality. A price can also move because OpenRouter's default route changed provider.