gpt-5.6-luna (gpt-5.6-luna) is a chat model from openai with a 1.1M-token context window; proprietary (API-only); capabilities tools, vision, reasoning; input image, pdf, text; output text.
1.1MContext
128KMax output
$1$ / 1M in
23.8Intelligence
113.31tok / s
Pricing
Input
$1 / 1M tokens
Output
$6 / 1M tokens
Currency
USD
Note
Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: litellm. Last verified 2026-07-22.
Benchmarks
Intelligence index
23.8
Cited from a public third-party leaderboard — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-11-05.
Performance
Throughput
113.31 tokens/s
Latency (TTFT)
110.62 s
Cited speed metrics — a reference, verify at the source. Source: Artificial Analysis. Last verified 2026-11-05.