GPT-6 Luna (max) API PricingNEW
OpenAI · released 2026-09-22 · merges 6 reasoning-effort tiers
Benchmarks shown for the highest-scoring reasoning tier. Merged tiers: GPT-6 Luna (max), GPT-6 Luna (xhigh), GPT-6 Luna (high), GPT-6 Luna (medium), GPT-6 Luna (low), GPT-6 Luna (Non-reasoning).
Pricing
0.010¢ / 1K
0.050¢ / 1K
0.020¢ / 1K
What it actually costs
| Workload | Tokens | Cost |
|---|---|---|
| Short chat reply | 500 in / 300 out | 0.02¢ |
| RAG query | 4,000 in / 500 out | 0.065¢ |
| Long document summary | 50,000 in / 1,000 out | 0.55¢ |
| Code review of a 2k-line file | 30,000 in / 2,000 out | 0.4¢ |
| 1,000 chat replies/day for 30 days | 30,000 × (500 in / 300 out) | $6.00 |
Cost = (input tokens ÷ 1,000,000 × $0.10) + (output tokens ÷ 1,000,000 × $0.50).
Benchmarks
#32 of 536
Similar intelligence, lower price
| Model | Intelligence | Blended $/1M |
|---|---|---|
| Agnes 3.0 Flash | 35.5 | $0.075 |
| Agnes 2.5 Pro Beta | 35.2 | $0.15 |
Leaderboard neighbours
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-5.5 (xhigh) | 38.4 | $11.25 |
| Claude Sonnet 5 (Adaptive Reasoning, Max Effort) | 38.2 | $4.00 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| GPT-6 Luna (max) | 37.3 | $0.20 |
| DeepSeek V4 Pro 0813 (Reasoning, Max Effort) | 36.0 | $1.98 |
| Agnes 3.0 Flash | 35.5 | $0.075 |
| Agnes 2.5 Pro Beta | 35.2 | $0.15 |
More from OpenAI
| Model | Intelligence | Blended $/1M |
|---|---|---|
| GPT-6 Astra (max) | 52.7 | $20.00 |
| GPT-6 Sol (max) | 47.5 | $4.00 |
| GPT-5.6 Sol (max) | 47.0 | $8.00 |
| GPT-5.6 Terra (max) | 42.1 | $4.50 |
| GPT-5.4 (xhigh) | 39.0 | $5.625 |
| GPT-5.5 (xhigh) | 38.4 | $11.25 |
| GPT-5.6 Luna (max) | 37.3 | $0.45 |
| GPT-5.3 Codex (xhigh) | 32.5 | $4.813 |
Count tokens & estimate cost for GPT-6 Luna (max) See GPT-6 Luna (max) on the leaderboard
Source: Artificial Analysis · last synced 2026-09-23
FAQ
Who develops GPT-6 Luna (max)?
GPT-6 Luna (max) is developed by OpenAI, released 2026-09-22.
How much does GPT-6 Luna (max) cost per million tokens?
GPT-6 Luna (max) costs $0.10 per 1M input tokens and $0.50 per 1M output tokens ($0.20 blended), per Artificial Analysis's official pricing data.
How does GPT-6 Luna (max) rank on benchmarks?
GPT-6 Luna (max) scores 37.3 on the Artificial Analysis Intelligence Index, ranking #32 of 536 models we track.
Is there a cheaper model with similar intelligence to GPT-6 Luna (max)?
Yes — Agnes 3.0 Flash scores similar intelligence (35.5) at $0.075/1M blended, versus $0.20/1M for GPT-6 Luna (max).
Where does this data come from?
Pricing and benchmark data for GPT-6 Luna (max) comes from Artificial Analysis (artificialanalysis.ai), synced daily. Last synced 2026-09-23.