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  1. Models
  2. Text
  3. OpenAI

GPT Luna Latest

Compatibility alias that routes to GPT 6 Luna, the latest supported GPT Luna model.

  • Reasoning
  • Vision
  • Native PDF input
  • Tool Calling
  • Structured Output

Added Sep 11, 2026

Pricing

Auto routing · per 1M tokens
Input
$0.10
Output
$0.50
Cache read
$0.01
Compare provider prices

Specifications

Context window
1.1M
Max output
128K
Avg output (7d)
724 tokens
Longer than 57% of models

Benchmarks

No public benchmark scores for this model yet.

Providers

Auto routing is available for this model. Explicit provider selection is not available.

Cache write /M
Auto
Auto
Recommended
$0.10$0.50$0.01$0.125N/AN/A
>272k$0.20$0.75$0.02$0.25
Batch API
ProviderInputOutputCached inputCache write
OpenAI
OpenAIgpt-luna-latest
$0.05/M$0.25/M$0.005/M$0.0625/M
>272k$0.10/M$0.375/M$0.01/M$0.125/M

Reliability

Related text models

Compare GPT Luna Latest with similar models from the same provider or model family.

GPT 6 Luna

openai/gpt-6-luna

GPT-6 Luna is the fast, cost-efficient model in OpenAI's GPT-6 series, suited for high-volume chat, classification, and lightweight agent workflows.

GPT 6 Luna Pro

openai/gpt-6-luna-pro

GPT-6 Luna Pro uses the same underlying model as GPT-6 Luna with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 5.6 Luna

openai/gpt-5.6-luna

GPT-5.6 Luna is the fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume chat, classification, lightweight agentic workflows, and latency-sensitive reasoning tasks.

GPT 5.6 Luna Pro

openai/gpt-5.6-luna-pro

GPT-5.6 Luna with Pro reasoning mode. Pro mode performs more model work for difficult tasks; reasoning effort remains independently configurable and defaults to medium.

GPT 6.1 Terra Pro

openai/gpt-6.1-terra-pro

GPT-6.1 Terra Pro uses the same underlying model as GPT-6.1 Terra with Pro reasoning mode enabled for higher-quality responses on complex tasks.

GPT 6.1 Terra

openai/gpt-6.1-terra

GPT-6.1 Terra is a fast, efficient model for everyday work, with strong visual reasoning, clearer writing, and capable coding at half GPT-6.1 Sol’s standard token prices. It supports text and image input, tool calling, structured outputs, and optional reasoning from none through max.