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Phi-4

Phi-4 is a model built upon a blend of synthetic datasets, data from filtered public domain websites, and acquired academic books and Q&A datasets.

text → text · made by Microsoft

$0.07$0.14per Mtok in / out
DeepInfra · 6 sellers

Sold by 7 ways

SellerLaneRate
Microsoft Azure AI cloudstandard$0.12per Mtok in$0.5per Mtok outmodels.dev · read 2026-09-16
Requesty aggregatornot on the seller's list todaydeepinfra flex$0.05per Mtok in$0.1per Mtok outrouter.requesty.ai · read 2026-08-25
Requesty aggregatordeepinfra$0.07per Mtok in$0.14per Mtok out$0.07per Mtok cachedrouter.requesty.ai · read 2026-09-15
DeepInfra aggregatorstandard$0.07per Mtok in$0.14per Mtok outapi.deepinfra.com · read 2026-08-25
Hugging Face Inference Providers aggregatordeepinfra$0.07per Mtok in$0.14per Mtok outrouter.huggingface.co · read 2026-08-25
OpenRouter aggregatorstandard$0.07per Mtok in$0.14per Mtok outopenrouter.ai · read 2026-08-24
ElectronHub aggregatorstandard$0.1per Mtok in$0.3per Mtok outapi.electronhub.ai · read 2026-09-16

Measured 12 standings

PlaceBoardMetricScore
4thof 105Vectara Hallucination LeaderboardHallucination Rate3.7
12thof 217Mmlu — Epoch AIEM0.848
32ndof 36Balrog — Epoch AIAverage progress0.116
42ndof 54Live bench — Epoch AIGlobal average41.61
45thof 49Lech mazur writing — Epoch AIMean score6.26
49thof 108Math level 5 — Epoch AImean_score64.936
190thof 222Chess puzzles — Epoch AImean_score1
214thof 313GPQA Diamondmean_score56.061
236thof 290OTIS Mock AIME 2024-2025mean_score13.75
268thof 302Artificial Analysis · Intelligence IndexArtificial Analysis Intelligence Index6
306thof 402LMArena · TextScore (Elo)1256
522ndof 656Epoch capabilities index — Epoch AIECI Score130.43

About

Phi-4 — a text model from Microsoft, sold by 6 companies from $0.07 in and $0.14 out per million tokens, placed 4th of 105 on Vectara Hallucination Leaderboard.

It takes text and returns text, with a context window of 16,384 tokens. It was published in December 2024, trained on material up to October 2023. The catalogue files it under reasoning. Six companies sell it. The cheapest is $0.07 in and $0.14 out per million tokens at DeepInfra. Beside the standard rate there is a separately routed lane. It has been measured on 12 boards, and stands best at 4th of 105 on Vectara Hallucination Leaderboard.

Every current figure

Maker
Microsoft
Register
model
Takes
text
Returns
text
Context
16,384 tokens
Longest answer
14,745 tokens
Published
December 2024
Knowledge to
October 2023
Parameters
15 billion
Licence
not read
Sellers
6
Maker's own price
not read
Price
$0.07 in and $0.14 out per million tokens — DeepInfra
Boards
12
Best place
4th of 105 — Vectara Hallucination Leaderboard

Known as 3 names

microsoft/phi-4deepinfra/microsoft/phi-4deepinfra/microsoft/phi-4:flex