Release archive
The timeline.
Every model we track—released, announced or still a signal on the horizon.
APR 2026 — APR 2027
APRIL 2026
MAY 2026
JUNE 2026
JULY 2026
JUL 16
xAI · JUL 16, 2026
xAI's smartest model for coding, agentic tasks and knowledge work; trained alongside Cursor.
$2.00/Mtok
No reviewed reports yet.
Read more →AUGUST 2026
AUG 12
xAI · AUG 12, 2026
Builds on Grok 4.5 with a focus on long-running agents and more ambitious interactive and visual work.
$2.00/Mtok
No reviewed reports yet.
Read more →SEPTEMBER 2026
SEP 21
xAI · SEP 21, 2026
xAI's frontier model for coding, agentic tasks and knowledge work, with stronger long-running task performance and self-verification.
$6.00/Mtok
- Other@bridgebench: We gave 4 models the same prompt: build a 3D rocket launch. GPT 6 Luna: <$0.01, 1 minute GPT 6 Sol: $0.11, 1 minute Grok 4.7: $0.29, 11 minutes Claude Opus 5.5: $1.52, 12 minutes GPT 6 Luna built a rocket launch scene in 65 seconds for less than a penny. The cost of frontier AI is collapsing in real time.
OCTOBER 2026
TODAY · OCT 25, 2026
NOVEMBER 2026
EST. NOV 06
xAI · expected NOV 06, 2026
Tracked by modelrumor.com (Estimate / Nov 6).
medium confidence · credible reporting
No reviewed reports yet.
Read more →DECEMBER 2026
JANUARY 2027
FEBRUARY 2027
MARCH 2027
APRIL 2027