OpenAI releases GPT-5.4 mini and nano for low-cost subagents
OpenAI released two smaller GPT-5.4 tiers with coding, tool-use, and computer-use support at substantially lower prices and broad API availability.
TOWARD DOOM47confidence 84/100
Why it moved the index
Low-cost, broadly available coding, tool-use, computer-use, and subagent tiers expand the scale of autonomous workflows without implying frontier-level standalone capability.
AUDIT TRAIL
Assessment history
- R1Toward 47 · confidence 84
New exact low-cost model tiers absent from durable context.
11 Aug 2026