
Phi-3-medium-128k-instruct
14B dense model with a 128K context window, MIT licensed.
About
Phi-3-medium-128k-instruct is Microsoft's 14-billion-parameter instruction-tuned model with a 128,000-token context window. It was trained on 4.8 trillion tokens including synthetic textbook-like data, using supervised fine-tuning and direct preference optimization.
The model excels at reasoning, math, code, and long-context tasks, punching near Llama 3 70B levels on MMLU-Pro at release. It is released under the MIT license.
Specs
Context window
Pricing
Free quota
API access
Weights
Released
Benchmarks
Provider-reported unless a source says otherwise. Benchmarks are marketing-adjacent by nature — treat them as directional.
Use cases
Trust score — 8/10
Scored 8/10 (verified tier, metrics-v1). Evidence: Verified via vendor site/docs/GitHub and reputable coverage, wave 134; Trending score 80/100 from researcher assessment.