Phi-4 Mini Reasoning

Released
2025-04-30
Last refreshed
2026-10-17
Status
Researched 25d ago
Open sourceCommercial use: permittedLong context

Phi-4 Mini Reasoning is a released long context model with open-source and 128K context; evaluate it while provider pricing coverage matures.

Microsoft Research releases · 6 in the last 12 months · this family litChangelog →
Specifications
Family
Phi-4
Released
2025-04-30
Context
128K
Parameters
3.8B
Knowledge cutoff
2025-02
Specialization
reasoning
Openness
Open source
License
MITOSI-approvedPermitted
Weights
Unknown
Code
Unknown
Created by

Advancing the state-of-the-art in AI and computing.

Redmond, Washington, United States
Founded 1991
Website
Pricing

No tracked provider pricing is available yet.

About

Microsoft Phi-4 Mini with reasoning capabilities optimized for step-by-step problem solving. Distinct from phi-4-mini-flash-reasoning (which emphasizes speed).

Providers

No active provider routes are tracked for this model yet.

Capabilities

Reasoning

Benchmark peer barsfor Long context

No task-mapped benchmark peers are available for this model yet.

Benchmark scores(3)

Scores are benchmark-specific and are direction-aware: the same numeric gap can mean very different outcomes across suites. Use the leaderboard context and this model's provider route to decide whether the winning margin is meaningful for your workload.
BenchmarkScoreVersionEvaluationSource
57.5From official Microsoft technical report, Table 3 (accuracy)Observed 2026-06-07—
94.6From official Microsoft technical report (accuracy)Observed 2026-06-07—
52.0GPQA Diamond (accuracy)Observed 2026-06-07—

Migration checks

No linked migration route is available for this model yet.

Compare Phi-4 Mini Reasoning with other models