GPT-6 Astra vs Phi 4 Mini Reasoning
GPT-6 Astra leads the LLM Stats Score 60.7 to 7.3.
OpenAI · Microsoft · Updated for 2026
Which is better?
GPT-6 Astra leads the overall LLM Stats Score 60.7 to 7.3, ranking #1 overall.
In the 1 individual benchmarks reported for both models, GPT-6 Astra wins 1; this is a narrower head-to-head signal than the composite indexes.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose GPT-6 Astra
- overall performance matters — it scores 60.7 and ranks #1 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 1 of 1 exact shared results
- you want the most recent training data — it shipped Sep 2026
Choose Phi 4 Mini Reasoning
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
22 reported for GPT-6 Astra · 3 for Phi 4 Mini Reasoning
GPT-6 Astra outperforms in 1 benchmarks (GPQA), while Phi 4 Mini Reasoning is better at 0 benchmarks.
GPT-6 Astra significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Context Window
Maximum input and output token capacity
Only GPT-6 Astra specifies input context (1,050,000 tokens). Only GPT-6 Astra specifies output context (128,000 tokens).
Input capabilities
Documented input modalities across available providers
GPT-6 Astra supports multimodal inputs, whereas Phi 4 Mini Reasoning does not.
GPT-6 Astra can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-6 Astra
Phi 4 Mini Reasoning
License
Usage and distribution terms
GPT-6 Astra is licensed under a proprietary license, while Phi 4 Mini Reasoning uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
GPT-6 Astra was released on 2026-09-04, while Phi 4 Mini Reasoning was released on 2025-04-30.
GPT-6 Astra is 16 months newer than Phi 4 Mini Reasoning.
Sep 4, 2026
2 days ago
1.3yr newerApr 30, 2025
1.4 years ago
Knowledge Cutoff
When training data ends
GPT-6 Astra has a knowledge cutoff of 2026-04-30, while Phi 4 Mini Reasoning has a cutoff of 2025-02-01.
GPT-6 Astra has more recent training data (up to 2026-04-30), making it potentially better informed about events through that date compared to Phi 4 Mini Reasoning (2025-02-01).
Apr 2026
1.2 yr newerFeb 2025
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-6 Astra and Phi 4 Mini Reasoning side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-6 Astra vs Phi 4 Mini Reasoning.