$0.056 per 1M input tokens and $0.11 per 1M output tokens (cheapest host: DeepInfra).
There is no free API; the cheapest paid price is $0.056 per 1M input tokens. The weights are open, so you can run it yourself.
#316 of 334 in Chat & Knowledge, #171 of 239 in Coding, #229 of 242 in Agents & Tool Use, #171 of 195 in Writing & Language.
On AA Intelligence Index 4.3.2, Phi 4 scores 5.9 vs 5.9 — about the same.
Through the API of Azure AI Foundry, DeepInfra, Featherless.
16K tokens, with up to 15K output tokens.
Released 2024-12-12. It is the current version in its line.
Yes, the weights are open (MIT licence).
The weights are open and can be self-hosted; hardware needs are not confirmed yet.
No, it accepts text only.
Phi 4 is an open-weights language model from Microsoft, released Dec 2024.
Qwen3.5 4B (cheaper), GPT-6 Luna (better), Qwen3.8 27B (open weights).