Ember-1 vs Phi 4
Ember-1 leads the LLM Stats Score 43.1 to 5.4. Phi 4 is 68.6x cheaper per token.
Fireworks AI · Microsoft · Updated for 2026
Which is better?
Ember-1 leads the overall LLM Stats Score 43.1 to 5.4, ranking #51 overall.
On price, Phi 4 is roughly 68.6x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Ember-1 also accepts a larger context window (1,040,000 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Ember-1
- overall performance matters — it scores 43.1 and ranks #51 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- you process long inputs — it offers a 1,040,000 token context window
- you want the most recent training data — it shipped Sep 2026
Choose Phi 4
- cost matters — it's about 68.6x cheaper per token
- you need open weights you can self-host or fine-tune
At a glance
The differences that matter most.
Individual benchmarks
4 reported for Ember-1 · 13 for Phi 4
Ember-1 and Phi 4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Ember-1 ($3.00/1M tokens) is 42.9x more expensive than Phi 4 ($0.07/1M tokens).
For output processing, Ember-1 ($15.00/1M tokens) is 107.1x more expensive than Phi 4 ($0.14/1M tokens).
In conclusion, Ember-1 is more expensive than Phi 4.*
* Using a 3:1 ratio of input to output tokens
Model Size
Parameter count comparison
Ember-1 has 2765.3B more parameters than Phi 4, making it 18811.6% larger.
Context Window
Maximum input and output token capacity
Ember-1 accepts 1,040,000 input tokens compared to Phi 4's 16,384 tokens. Only Phi 4 specifies output context (16,384 tokens).
License
Usage and distribution terms
Ember-1 is licensed under a proprietary license, while Phi 4 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
Ember-1 was released on 2026-09-23, while Phi 4 was released on 2024-12-12.
Ember-1 is 22 months newer than Phi 4.
Sep 23, 2026
2 weeks ago
1.8yr newerDec 12, 2024
1.8 years ago
Knowledge Cutoff
When training data ends
Phi 4 has a documented knowledge cutoff of 2024-06-01, while Ember-1's cutoff date is not specified.
We can confirm Phi 4's training data extends to 2024-06-01, but cannot make a direct comparison without Ember-1's cutoff date.
—
Jun 2024
Provider Availability
Ember-1 is available from Fireworks. Phi 4 is available from DeepInfra.
Ember-1
Phi 4
Outputs Comparison
Judge for yourself.
Run your own prompts against Ember-1 and Phi 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Ember-1 vs Phi 4.