OpenAI

GPT-5.6 Luna

Near-FrontierProprietaryReasoningProprietary
Input Price
$0.10
/M tokens
Output Price
$0.60
/M tokens
Intelligence
52
/100
Arena Rank
#62
Overall
Context
1.05M
tokens

One9Founders Verdictexcellent

Cheapest GPT-5.6. ~$0.10/$0.60 with Intelligence ~52 — Gemini Flash / DeepSeek Flash band at OpenAI-shaped tooling.

The OpenAI bargain bin, still actually smart.

Best For

  • high-volume classification
  • cheap tool calling
  • bootstrapped OpenAI stacks

Not Great For

  • frontier coding agents
  • long agentic jobs

Startup Recommendation

Best OpenAI option for bootstrapped volume.

Pricing Details

Input
$0.10
per 1M tokens
Output
$0.60
per 1M tokens
Cached Input
$0.02
per 1M tokens
Batch Input
$0.05
per 1M tokens

Free tier available

Capabilities

Function Calling
Structured Output
Vision
-Web Search
-Code Execution
-MCP
Audio Input
Video Input
Reasoning
Streaming
-Batch API
-Computer Use

Chatbot Arena Rankings

Overall
#62

Security & Compliance

SOC 2 Type II
GDPR
HIPAA
Enterprise SSO
Audit Logs

Training data policy: API data not used for training by default (opt-out / ZDR available)

DPDP Act (India): No India-resident inference by default. Use DPA + region controls.

Data residency: US, EU

India Availability

API available globally