Ling 3.1 Flash vs GPT-5.6 Luna

API pricing, benchmark indices and specs — updated 19 October 2026.

inclusionai · A · API-only
Input / 1M
$0.075
Output / 1M
$0.23
AA index
41.1
proprietary · 262.1K context
openai · B · API-only
Input / 1M
$0.20
Output / 1M
$1.20
AA index
37.3
proprietary · 1.0M context

Specification comparison

Differences are highlighted; identical values are muted.

Specification Ling 3.1 Flash GPT-5.6 Luna
Deployment API-only (closed weights) API-only (closed weights)
Parameters n/a — API-only n/a — API-only
Architecture n/a — API-only n/a — API-only
Context length 262,144 1,050,000
Licence Proprietary Proprietary
Commercial use Per API terms Per API terms
Languages n/a — API-only n/a — API-only
Downloads 30d n/a — API-only n/a — API-only
Downloads all time n/a — API-only n/a — API-only
Quantizations on the Hub n/a — API-only n/a — API-only
Gated n/a — API-only n/a — API-only
First seen on the Hub n/a — API-only n/a — API-only
API input price / 1M tokens $0.075 $0.20
API output price / 1M tokens $0.23 $1.20
Est. cost per 1M input + 1M output tokens $0.30 $1.40
Cached input / 1M tokens $0.015 $0.02
AA Intelligence Index 41.1 37.3
AA Coding Index — 71.4
AA Agentic Index — 42.1
Max output tokens 235,929 128,000
API providers 2 3
Tool calling Yes Yes
Reasoning mode Yes Yes

API cost

Estimated cost of 1M input + 1M output tokens via OpenRouter

Ling 3.1 Flash $0.30
GPT-5.6 Luna $1.40

Ling 3.1 Flash is 4.7× cheaper at list price.

Adjacent comparisons