Home/Events/Anthropic Opus 5.5 and OpenAI GPT-6 Sol and Luna Models Released

Anthropic Opus 5.5 and OpenAI GPT-6 Sol and Luna Models Released

Confirmed

Confidence

90%

Impact: 80%

Updated 2h ago

Consensus Brief

Anthropic has launched Opus 5.5, a cost-effective model aimed at coding and complex knowledge work, while OpenAI introduced GPT-6 Sol and Luna, focusing on efficiency and affordability. Both companies are targeting enterprise customers and competing against open-weight models by emphasizing cost reduction rather than groundbreaking capabilities.

Sourced from

Ars TechnicaT2

Primary: Ars Technica

What Changed Since Last Update

2h ago

Opus 5.5 offers a 20% reduction in token costs compared to Opus 5, while GPT-6 Sol and Luna are priced at half the cost of their predecessors.

Claim Ledger

4 claims tracked across sources

Official Claim

Opus 5.5 costs $4 and $20 per million tokens for input and output, respectively, and is 20% cheaper than Opus 5.

Official Claim

GPT-6 Sol's API pricing is $2 per million input tokens and $10 per million output tokens; Luna's pricing is $0.10 and $0.50, respectively.

Official Claim

Opus 5.5 generates output more than 30% faster than Opus 5.

Official Claim

Anthropic claims savings of closer to 40% for typical workloads at default settings with Opus 5.5.

Role-Based Impact Analysis

Source Timeline

1 source corroborating

New Anthropic, OpenAI models make same promise: A little more for a lot less money

Ars Technica·2h ago