Models/OpenAI/GPT-6 Luna

GPT-6 Luna

Name: GPT-6 Luna API access
Brand: OpenAI

OpenAI · Proprietary · Released Sep 22, 2026 · openai/gpt-6-luna

Best $0.10 in / $0.50 out via OpenAI

Compare Estimate cost

1.05M contextVisionToolsReasoningStructured outputPrompt caching

Available from 8 providersUSD / MTOK · PRICES 20 MINUTES AGO · SPEED 24 HOURS AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
OpenAIopenai/flexFLEX1ST PARTY	$0.05	$0.25	$0.005	1.05M	—	3.2s	122 tok/s	99.5%
OpenAIopenai1ST PARTY	$0.10	$0.50	$0.01	1.05M	—	—	—	100.0%
Amazon Bedrockamazon-bedrock/global	$0.10	$0.50	$0.01	1.05M	—	✕	✕	100.0%
Azureazure	$0.10	$0.50	$0.01	1.05M	—	3s	295 tok/s	100.0%
Amazon Bedrockamazon-bedrock/us-east-1	$0.11	$0.55	$0.011	1.05M	—	—	—	100.0%
Azureazure/us	$0.11	$0.55	$0.011	1.05M	—	—	—	100.0%
Azureazure/eu	$0.11	$0.55	$0.011	1.05M	—	—	—	100.0%
OpenAIopenai/fastPRIORITY1ST PARTY	$0.20	$1.00	$0.02	1.05M	—	—	—	100.0%

TTFT/TPS: median (P50) over trailing 504h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 24 hours ago

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Pricing variants · USD / MTok in / out

STANDARD

$0.10 / $0.50

per MTok in / out

BATCH

$0.05 / $0.25

async batch

CACHE READ $0.01CACHE WRITE $0.125WEB SEARCH $0.01 / search

Recent changesRSS ↗

Nov 5, 2026endpoint removed · cheaperinference9 → 8

Oct 1, 2026endpoint added · cheaperinference7 → 9

Sep 23, 2026model added

About

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, positioned below GPT-6 Sol. It is suited for high-volume and latency-sensitive workloads such as chat, classification, and lightweight agentic...

Specifications

Context window1,050,000

Max output128,000

Modalities infile, image, text

Modalities outtext

LicenseProprietary

ReleasedSep 22, 2026

TokenizerGPT

GPT-6.1 Terra Pro$1.00 / $5.00 GPT-6.1 Terra$1.00 / $5.00 GPT-6.1 Sol Pro$2.00 / $10.00 GPT-6.1 Sol$2.00 / $10.00

Embed badge

[![GPT-6 Luna](https://modelindex.ai/badge/openai/gpt-6-luna)](https://modelindex.ai/models/openai/gpt-6-luna)

Sources

OpenRouter API20 minutes ago

AGGREGATOR

LiteLLM dataset20 minutes ago

AGGREGATOR

ModelIndex benchmarks14 days ago

MEASURED

Verified 20 minutes ago · list prices, not negotiated rates.