Particle-1
Particle-1 is an API-only (closed weights) language model from Particle, released October 28, 2026. Its makers disclosed about 748B parameters.
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Lab
Particle
Released
October 28, 2026
Weights
API-only (closed weights)
Parameters
748B disclosed
Context
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Price / M tokens
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Epoch ECI
not yet rated
Benchmark results
Epoch AI has not published results for Particle-1 yet. New models are usually evaluated within days to weeks.