Capability index: what changed — Artificialshttps://artificials.net/tests/capability-indexEach new leader on the capability index, and each model that joins it.enGPT-6 Luna joined the capability index at 156.3https://artificials.net/models/gpt-6-lunaindex:2026-10-05:gpt-6-lunaMon, 05 Oct 2026 00:00:00 GMTGPT-6 Sol joined the capability index at 162.7https://artificials.net/models/gpt-6-solindex:2026-10-05:gpt-6-solMon, 05 Oct 2026 00:00:00 GMTGPT-6.1 Sol joined the capability index at 166.1https://artificials.net/models/gpt-6-1-solindex:2026-10-05:gpt-6-1-solMon, 05 Oct 2026 00:00:00 GMTGrok 4.7 joined the capability index at 153.5https://artificials.net/models/grok-4-7index:2026-10-05:grok-4-7Mon, 05 Oct 2026 00:00:00 GMTClaude Opus 5.5 joined the capability index at 167.3https://artificials.net/models/claude-opus-5-5index:2026-09-30:claude-opus-5-5Wed, 30 Sep 2026 00:00:00 GMTClaude Sonnet 5.5 joined the capability index at 165.2https://artificials.net/models/claude-sonnet-5-5index:2026-09-30:claude-sonnet-5-5Wed, 30 Sep 2026 00:00:00 GMTamazon--nova-pro joined the capability index at 123.8https://artificials.net/models/amazon-nova-proindex:2026-09-27:amazon-nova-proSun, 27 Sep 2026 00:00:00 GMTLlama 3 70B Instruct joined the capability index at 122.9https://artificials.net/models/llama-3-70b-instructindex:2026-09-27:llama-3-70b-instructSun, 27 Sep 2026 00:00:00 GMTLlama 3 8B Instruct joined the capability index at 116.3https://artificials.net/models/llama-3-8b-instructindex:2026-09-27:llama-3-8b-instructSun, 27 Sep 2026 00:00:00 GMT