The Model Index
Models/Microsoft

Phi-4

MicrosoftReleased 12 Dec 2024Open
112100–124Index score#153 of 229 models
1/ 8Core tests taken1 of 6 areas · plus 5 anchor tests
−24Versus the frontier at releasebest then: o1
$0.070/ $0.14Price per million tokensinput / output, list price
16KContext windowtokens it reads at once

Where it sitson the frontier

o1-mini reached this score 3 months earlier.

Test resultsby area · tick = best by any model

Reasoning & knowledgeevidence
GPQA Diamond
56%
Humanity's Last Exam
no result
Mathsevidence
FrontierMath T1-3
no result
Codingno evidence yet
SWE-bench Verified
no result
Terminal-Bench
no result
Agentsevidence
APEX-Agents
no result
Novel problemsno evidence yet
ARC-AGI-2
no result
Long tasksno evidence yet
METR time horizon
no result

Independent results from the Epoch AI benchmarking hub, best reasoning setting. The core tests are shown here; anchor tests also inform the score and can be shown above.

What others sayrank on each leaderboard

Further left is better. Leaderboards measure different things: LMArena is people voting blind between two answers, the others are test scores. Click any row for the source.

Best attop three among current models

Not in the top three among current models on any category we track.

Where this model places in the top three of today's models, on category leaderboards and on our core tests.

Where to use itprices checked 1 Oct 2026

API providers 1 · per million tokens, in / out

DDeepInfra$0.070 / $0.14 · bf16cheapest

Provider prices come from OpenRouter's live listing; going direct to a provider can differ. Subscriptions are the lab's own apps.

Facts and sources

Released12 Dec 2024
Announcementnot linked yet
Release entryPhi-4
Scored asPhi-4
Artificial Analysis index6 (their estimate)
Output speed40 tokens/s

Microsoft releasesaround this one