GPT-6 Luna
- TYPE
- Model
- SIGNALS
- 7
- FIRST SEEN
- Sep 22, 2026
- LAST SEEN
- Oct 19, 2026
Recent signals
- Inception debuts Mercury 3, a diffusion LLM that it says tops GPT-6 Luna, Claude Haiku 5.5, and GLM-5.3 Flash on agentic benchmarks while being 4x to 8x faster (Jason Hiner/The Deep View) Oct 19, 2026
- OpenAI says GPT-6 in ChatGPT's Chat tab is powered by GPT-6 Sol for Plus, Pro, Business, and Enterprise tiers and GPT-6 Luna for Free and Go tiers (@openai) Oct 7, 2026
- Anthropic cuts Sonnet 5.5 cache read price from $0.20 to $0.10 and adds monthly API credits: $100 for Max 5x, $200 for Max 20x, up to $500 shared by Team users (Carl Franzen/VentureBeat) Oct 7, 2026
- Fixed a bug in image encoding that degraded image understanding in GPT-6 Sol and GPT-6 Luna. This update improves results on visual tasks in the API and Codex, including compute… Sep 24, 2026
- GPT-6 Sol costs $2/1M input and $10/1M output tokens, and GPT-6 Luna costs $0.10/1M input and $0.50/1M output tokens, both about 50% cheaper than GPT-5.6 (Nat Rubio-Licht/The Deep View) Sep 22, 2026
- Introducing GPT-6 Sol and Luna Sep 22, 2026
- OpenAI launches GPT-6 Sol and Luna, boasting lower cost and fewer mistakes Sep 22, 2026