GPT-6 Luna vs Nova Pro
GPT-6 Luna leads the LLM Stats Score 44.5 to 12.3. GPT-6 Luna is 7.0x cheaper per token.
OpenAI · Amazon · Updated for 2026
Which is better?
GPT-6 Luna leads the overall LLM Stats Score 44.5 to 12.3, ranking #41 overall.
On price, GPT-6 Luna is roughly 7.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
GPT-6 Luna also accepts a larger context window (1,050,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-6 Luna
- overall performance matters — it scores 44.5 and ranks #41 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 7.0x cheaper per token
- you process long inputs — it offers a 1,050,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Nova Pro
- you want predictable pricing at $0.80/M input and $3.20/M output
At a glance
The differences that matter most.
Individual benchmarks
5 reported for GPT-6 Luna · 27 for Nova Pro
GPT-6 Luna and Nova Prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-6 Luna ($0.10/1M tokens) is 8.0x cheaper than Nova Pro ($0.80/1M tokens).
For output processing, GPT-6 Luna ($0.50/1M tokens) is 6.4x cheaper than Nova Pro ($3.20/1M tokens).
In conclusion, Nova Pro is more expensive than GPT-6 Luna.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-6 Luna accepts 1,050,000 input tokens compared to Nova Pro's 300,000 tokens. Nova Pro can generate longer responses up to 300,000 tokens, while GPT-6 Luna is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Both GPT-6 Luna and Nova Pro support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
GPT-6 Luna
Nova Pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-6 Luna was released on 2026-09-22, while Nova Pro was released on 2024-11-20.
GPT-6 Luna is 22 months newer than Nova Pro.
Sep 22, 2026
0 days ago
1.8yr newerNov 20, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
GPT-6 Luna has a documented knowledge cutoff of 2026-05-18, while Nova Pro's cutoff date is not specified.
We can confirm GPT-6 Luna's training data extends to 2026-05-18, but cannot make a direct comparison without Nova Pro's cutoff date.
May 2026
—
Provider Availability
GPT-6 Luna is available from OpenAI. Nova Pro is available from Bedrock.
GPT-6 Luna
Nova Pro
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Luna and Nova Pro side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Luna vs Nova Pro.