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Frontier Radar archive
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Week 2026-W43
(7)
Week 2026-W42
(6)
Undated
Oct 2026
Anthropic releases Claude Haiku 5.5
A new small, fast Claude tier — the usual pick for high-volume agent steps.
Source
Models
Oct 2026
Claude Opus 5.5 takes #1 on the Artificial Analysis Intelligence Index, with a 20% price cut
Top model got cheaper, with a larger cache-hit discount — good news for long agent loops.
Source
Models
Pricing changes
Oct 2026
GPT-6 Sol and Luna halve cost vs GPT-5.6
Same index scores at about half the cost — check whether your agent builder lets you switch.
Source
Models
Pricing changes
Oct 2026
Mistral releases Mistral Large 4
Artificial Analysis calls it the most intelligent model outside the US and China — an EU option for compliance-minded teams.
Source
Models
2026
GPT-6 Astra launched at $10 / $50 per 1M tokens
Ties the leaders on Artificial Analysis indices at lower cost than Claude Fable 5.1.
Source
Models
2026
Gemini 3.8 Flash GA: $0.75 / $3.75 per 1M tokens until Dec 31, 2026, then $1.50 / $7.50
Launch pricing ends Jan 1 — agents running on Flash will roughly double in model cost.
Source
Models
Pricing changes