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OpenAI

GPT-5.6 Luna

BClosed

OpenAI于2026年7月9日发布的新一代模型家族，分为三个层级：旗舰级Sol、主力型号Terra和轻量级Luna。Luna旨在实现低成本高吞吐量，其事实性错误比GPT-5.5 Instant少约62%。自7月30日起永久降价：Luna降价80%，Terra降价20%；Sol新增Fast模式（价格翻倍，速度提升2.5倍）。

API Pricing

Input

$0.2

Output

$1.2

Cached input

—

Peak hours

—

USD / 1M tokens

※ Luna pricing; permanent cuts from July 30: Terra $2/$12 (-20%), Luna $0.2/$1.2 (-80%); Sol Fast mode 2x price for 2.5x speed

Price sourceopenrouter.ai ↗developers.openai.com ↗

No price change in the last two snapshots

Price history

12 snapshots · 2026-04-28 → 2026-08-17

Current: $0.6Period low: $0.6 (2026-04-28)Period high: $0.6 (2026-04-28)First tracked: $0.6 (2026-04-28)

Specifications

Context window
1.1M Tokens
Max output
128K Tokens
Input modalities
text · image · audio
License
Closed

Overall score

Total

54.3

Rank

#15

Tier

B

Data confidence

85%

Capability43
Scale35
Value85
Context75.7
Ecosystem43.5
Freshness47.8

Capabilities & use cases

Artificial Analysis Luna beats DeepSeek V4-Pro on cost-efficiency

Key capabilities

  • Three-tier lineup (Sol/Terra/Luna)
  • Sol Fast mode
  • Deep reasoning

Best for

  • 批量文本处理
  • 高吞吐量智能体
  • 企业级智能体

Official links

Website ↗API platform ↗Pricing page ↗Open in comparator ↗

Same vendor

GPT-6.1 SolGPT-6 AstraGPT-5.6 SolGPT-6 LunaGPT-5.6 TerraGPT-5 Nano

Similar price

MiniMax M3 $1.2DeepSeek-V4.1-Flash $0.6GLM-5.3-Flash $0.5Claude Haiku 5.5 $0.5ERNIE 4.5 Turbo ¥3.2Qwen3.8-Flash (Tongyi) $0.47

FAQ

What does GPT-5.6 Luna cost?
GPT-5.6 Luna is priced at $1.2 output and $0.2 input (USD per 1M tokens)
How large is the context window of GPT-5.6 Luna?
GPT-5.6 Luna has a 1.1M Tokens context window with up to 128K Tokens output.
Where can I access GPT-5.6 Luna?
Official channels: Website and API platform.

Data is refreshed daily and cross-checked against two independent sources; please confirm pricing and specs on the vendor page.