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GPT-6 Luna

OpenAI · gpt-6-luna

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OpenAI's most efficient model for focused, high-volume tasks

Specification

openai listing

Context
1.1M
Max output
128K
Released
2026-09-22
Knowledge cutoff
2026-05-18
Retires
2028-03-11
Open weights
no
Input
text, image, pdf
Output
text

Price

US dollars per million tokens · openai list price

Input
$0.10
Output
$0.50
Cache read
$0.01
Cache write
$0.125

Batch and priority prices

US dollars per million tokens · per listing

PriceListing$/M
Batch inputopenai$0.05
Batch outputopenai$0.25
Priority inputopenai$0.20
Priority outputopenai$1.00

Batch input is 50% below the interactive input price at the same listing.

Long-context price tiers

the rate above each context threshold

AbovePrice$/M
272KCache read$0.02
272KCache write$0.25
272KInput$0.20
272KOutput$0.75

Quality

2 benchmarks · 2 sources

Composite
48th
percentile of 340 scored models
Rank
176 / 340
±0.33 sd
Evidence
2 × 2
one source, or fewer than 3 benchmarks
Effort range
—
one configuration only
general23rd1/1 bench

Every score

one row per source and configuration — nothing averaged away

BenchmarkScoreConfigurationSourceRun
Furniture Assembly44.2 ±6.4maxEpoch AI2026-09-28
LiveBench72.2max · 23 runsLiveBench2026-06-25

The leading figure for a benchmark is the median across its configurations, so one heroic high-effort run cannot set the number.

Available from 31 hosts

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
openaivendor$0.10$0.50$0.01$0.125
1.1M
922K
128K—
openrouter · batch$0.05$0.25$0.005$0.06251.1M128K—
ofox$0.08$0.40$0.008$0.101.1M128K—
302ai$0.10$0.50$0.01$0.1251.1M128K—
aihubmix$0.10$0.50$0.01$0.1251.1M128K—
amazon-bedrock · global$0.10$0.50$0.01$0.1251.1M128K—
azure
$0.10
$0.11
$0.12
$0.50
$0.55
$0.60
$0.01
$0.011
$0.012
$0.125
$0.1375
$0.15
1.1M
922K
128K2028-03-11
azure_ai$0.10$0.50$0.01$0.125922K128K—
azure-cognitive-services$0.10$0.50$0.01$0.1251.1M128K—
bedrock_converse$0.10$0.50$0.01$0.1251.1M128K—
bedrock_converse · global$0.10$0.50$0.01$0.1251.1M128K—
cloudflare-ai-gateway$0.10$0.50$0.01$0.1251.1M128K—
crossmodel$0.10$0.50$0.01$0.1251.1M128K—
edenai$0.10$0.50$0.01$0.1251.1M128K—
github-copilot$0.10$0.50$0.01$0.1251.1M128K—
kilo$0.10$0.50$0.01$0.1251.1M128K—
llmgateway$0.10$0.50$0.01$0.1251.1M128K—
llmgateway-providers$0.10$0.50$0.01$0.1251.1M128K—
merge-gateway$0.10$0.50$0.01$0.1251.1M128K—
nano-gpt$0.10$0.50$0.01$0.1251.1M128K—
opencode$0.10$0.50$0.01$0.1251.1M128K—
opencode-go$0.10$0.50$0.01$0.1251.1M128K—
openrouter$0.10$0.50$0.01$0.1251.1M128K—
requesty$0.10$0.50$0.01—1.1M128K—
vercel$0.10$0.50$0.01$0.1251.1M128K—
vivgrid$0.10$0.50$0.01$0.1251.1M128K—
amazon-bedrock$0.11$0.55$0.011$0.13751.1M128K—
amazon-bedrock · us$0.11$0.55$0.011$0.13751.1M128K—
bedrock_converse · us$0.11$0.55$0.011$0.13751.1M128K—
bedrock_mantle · bedrock-mantle$0.11$0.55$0.011$0.13751.1M128K—
cortecs$0.12$0.60$0.012$0.151.1M128K—

Price history

append-only observations · a listing writes a row only when its price moves

DateHostField$/M
2026-09-23azureCache read$0.01
2026-09-24azureCache read$0.01
2026-09-23nano-gptCache read$0.005
2026-09-24nano-gptCache read$0.01
2026-09-23azureCache write$0.125
2026-09-24azureCache write$0.125
2026-09-23nano-gptCache write$0.0625
2026-09-24nano-gptCache write$0.125
2026-09-23azureInput$0.10
2026-09-24azureInput$0.10
2026-09-23nano-gptInput$0.05
2026-09-24nano-gptInput$0.10
2026-09-23azureOutput$0.50
2026-09-24azureOutput$0.50
2026-09-23nano-gptOutput$0.25
2026-09-24nano-gptOutput$0.50

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