GPT-6 Luna vs Inkling
Price, context window & benchmark comparison
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Compare different models
Verdict: GPT-6 Luna is 8.8× cheaper than Inkling on a typical 3:1 input/output mix. GPT-6 Luna scores higher on the Artificial Analysis Intelligence Index (27.9 vs 12.5). GPT-6 Luna has the larger context window (1.1M vs 524K).
| GPT-6 Luna | Inkling | |
|---|---|---|
| Input price / 1M | $0.10 | $1.00 |
| Output price / 1M | $0.50 | $4.05 |
| Blended price (3:1) | $0.20 | $1.76 |
| Cached input / 1M | $0.01 | $0.17 |
| Context window | 1.1M | 524K |
| Max output | 128K | 472K |
| Intelligence index | 27.9 | 12.5 |
| Coding index | — | 52.1 |
| Providers | 8 | — |
| Best provider uptime (30m) | 100.0% | — |
| Vision input | Yes | Yes |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2026-09-22 | 2026-07-17 |
| Retirement | — | — |
Cost calculator
FAQ
Which is cheaper, GPT-6 Luna or Inkling?
GPT-6 Luna is 8.8× cheaper than Inkling on a typical 3:1 input/output mix.
GPT-6 Luna vs Inkling: which has a bigger context window?
GPT-6 Luna: 1,050,000 tokens. Inkling: 524,288 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: GPT-6 Luna ≈ $450.00, Inkling ≈ $4,025.
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