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Articles tagged #gpt-6.1 sol

Editorial illustration of a model inside a verification chamber for the GPT-6.1 Sol release

model-release

GPT-6.1 Sol Release Date: September 29, 2026 and Channel Availability

GPT-6.1 Sol launched at DevDay on September 29, 2026. See confirmed changes, API and Work/Codex availability, and what existing Sol teams should verify.

Editorial illustration of a baseline and candidate separated by a GPT-6.1 Sol vs GPT-6 Sol upgrade evaluation gate

Comparison

GPT-6.1 Sol vs GPT-6 Sol: Same Input/Output Rates, Lower Cache Cost, New Migration Rules

Compare GPT-6.1 Sol with GPT-6 Sol on cache costs, reasoning settings and tool calling. Use workload-level examples and an upgrade gate for coding agents.