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Ember-1 vs Phi-3.5-MoE-instruct

Ember-1 leads the LLM Stats Score 43.1 to 1.9.

Fireworks AI · Microsoft · Updated for 2026

Which is better?

Ember-1 leads the overall LLM Stats Score 43.1 to 1.9, ranking #51 overall.

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 want the most recent training data — it shipped Sep 2026

Choose Phi-3.5-MoE-instruct

  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Ember-1
Fireworks AI
Phi-3.5-MoE-instruct
Microsoft
Core performance indexes
LLM Stats Score
43.1
#51
1.9
#334
Reasoning
38.6
#71
1.4
#327
Coding
37.0
#22
-3.9
#269
Cost, coverage & limits
Benchmark wins
—
—
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
1,040,000
—

Individual benchmarks

4 reported for Ember-1 · 31 for Phi-3.5-MoE-instruct

No common benchmarks found

Ember-1 and Phi-3.5-MoE-instructdon'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

Model Size

Parameter count comparison

2720.0B diff

Ember-1 has 2720.0B more parameters than Phi-3.5-MoE-instruct, making it 4533.3% larger.

Fireworks AI
Ember-1
2.8Tparameters
Microsoft
Phi-3.5-MoE-instruct
60.0Bparameters
2780.0B
Ember-1
60.0B
Phi-3.5-MoE-instruct

Context Window

Maximum input and output token capacity

Only Ember-1 specifies input context (1,040,000 tokens).

Fireworks AI
Ember-1
Input1,040,000 tokens
Output- tokens
Microsoft
Phi-3.5-MoE-instruct
Input- tokens
Output- tokens
Fri Oct 09 2026 • llm-stats.com

License

Usage and distribution terms

Ember-1 is licensed under a proprietary license, while Phi-3.5-MoE-instruct uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Ember-1

Proprietary

Closed source

Phi-3.5-MoE-instruct

MIT

Open weights

Release Timeline

When each model was launched

Ember-1 was released on 2026-09-23, while Phi-3.5-MoE-instruct was released on 2024-08-23.

Ember-1 is 25 months newer than Phi-3.5-MoE-instruct.

Ember-1

Sep 23, 2026

2 weeks ago

2.1yr newer
Phi-3.5-MoE-instruct

Aug 23, 2024

2.1 years ago

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Ember-1 and Phi-3.5-MoE-instruct side-by-side, then vote on the output you prefer.

Ember-1
✓ Preferred
Phi-3.5-MoE-instruct
Open in Playground

FAQ

Common questions about Ember-1 vs Phi-3.5-MoE-instruct.

Which is better, Ember-1 or Phi-3.5-MoE-instruct?

Ember-1 leads the LLM Stats Score 43.1 to 1.9. Ember-1 is made by Fireworks AI and Phi-3.5-MoE-instruct is made by Microsoft. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ember-1 compare to Phi-3.5-MoE-instruct in benchmarks?

Ember-1 scores SWE-Bench Verified: 92.2%, Terminal-Bench 2.1: 82.0%, DeepSWE 1.1: 75.2%, Tau2 Airline: 66.0%. Phi-3.5-MoE-instruct scores ARC-C: 91.0%, OpenBookQA: 89.6%, GSM8k: 88.7%, PIQA: 88.6%, RULER: 87.1%.

What are the context window sizes for Ember-1 and Phi-3.5-MoE-instruct?

Ember-1 supports 1.0M tokens and Phi-3.5-MoE-instruct supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Ember-1 and Phi-3.5-MoE-instruct?

Key differences include LLM Stats Score (43.1 vs 1.9), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes Ember-1 and Phi-3.5-MoE-instruct?

Ember-1 is developed by Fireworks AI and Phi-3.5-MoE-instruct is developed by Microsoft.

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