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GPT-6 Luna 💰 Budget Pick

by OpenAI · Text & Chat · Code

OpenAI's budget GPT-6 · just $0.10/$0.50 per 1M tokens · DeepSWE v1.1 66.6% (max effort) · 1M context.

87/100AIVerso score
#22 of 49in Text & Chat
$0.10/$0.50 per 1M tokensStarting price
NoFree tier
Try GPT-6 Luna →Compare with alternatives →

At a glance

ProviderOpenAI
CategoryText & Chat, Code
Starting price$0.10/$0.50 per 1M tokens
Free tierNo
API accessYes
Open sourceNo
Context window1M tokens

Key facts

Capability ratings

Math & Logice.g. AIME, MATH-500
84
Programminge.g. SWE-bench, LiveCodeBench
79
Reasoninge.g. GPQA, ARC
82
Knowledgee.g. MMLU-Pro
82
Long Contexte.g. MRCR, needle tests
88
Instruction Followinge.g. IFEval
86
Agent Capabilitye.g. Terminal-Bench, tool use
76

AIVerso capability ratings (0–100), an editorial summary informed by public benchmark results. Higher is better.

Strengths

Large 1M token context window
API access for developers

Limitations

No free tier
Closed model — cannot be self-hosted

Best alternatives to GPT-6 Luna

Claude Fable 5.1
Anthropic · $10/$50 per 1M tokens — Higher score (99 vs 87)
99
Fugu Ultra v2
Sakana AI · $5/$30 per 1M tokens — Higher score (97 vs 87)
97
Gemini 3.1 Pro
Google · Free – $20/mo · free tier — Higher score (96 vs 87)
96
MiMo-V2.6-Pro
Xiaomi · Free (open weights) · $0.44/$0.87 per 1M · free tier — Higher score (96 vs 87)
96
Kimi K3
Moonshot AI · Free – API · free tier — Higher score (96 vs 87)
96

🔗 Comparisons & guides

❓ Frequently Asked Questions

Is GPT-6 Luna free?

No, GPT-6 Luna has no free tier. Pricing: $0.10/$0.50 per 1M tokens.

What are the best alternatives to GPT-6 Luna?

The highest-rated AI chatbots & text models from other providers on AIVerso are Claude Fable 5.1 (99/100), Fugu Ultra v2 (97/100), Gemini 3.1 Pro (96/100).

Does GPT-6 Luna have an API?

Yes, GPT-6 Luna can be used via an API.

Is GPT-6 Luna open source?

No, GPT-6 Luna is a closed, proprietary model from OpenAI.

How does AIVerso rate GPT-6 Luna?

GPT-6 Luna scores 87/100 on AIVerso and ranks #22 of 49 in Text & Chat. Scores combine public benchmark results, features and pricing; commissions never influence them.

How we rate: Scores and capability ratings are based on public benchmarks, provider documentation, features and pricing — not on commission rates. Prices can change; check the provider's site before buying. Last updated: September 29, 2026.