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Ember-1 vs Nova 2 Pro

Ember-1 leads the LLM Stats Score 43.6 to 30.8.

Fireworks AI · Amazon · Updated for 2026

Which is better?

Ember-1 leads the overall LLM Stats Score 43.6 to 30.8, ranking #46 overall.

In the 2 individual benchmarks reported for both models, Ember-1 wins 2; 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 Ember-1

  • overall performance matters — it scores 43.6 and ranks #46 on LLM Stats
  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • you want the most recent training data — it shipped Sep 2026

Choose Nova 2 Pro

  • you are already invested in the Amazon ecosystem

At a glance

The differences that matter most.

Core performance indexes
43.6
#46
30.8
#128
38.6
#71
30.7
#128
38.0
#20
19.1
#116
31.2
#35
11.8
#118
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$3.00 / M
— / M
Output price
$15.00 / M
— / M
Context window
1,040,000
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Ember-1
Nova 2 Pro
15.9#93
15.1#100
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for Ember-1 · 18 for Nova 2 Pro

2 shared

Ember-1 outperforms in 2 benchmarks (SWE-Bench Verified, Tau2 Airline), while Nova 2 Pro is better at 0 benchmarks.

Ember-1 significantly outperforms across most benchmarks.

Wed Oct 07 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

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
Amazon
Nova 2 Pro
Input- tokens
Output- tokens
Wed Oct 07 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Nova 2 Pro supports multimodal inputs, whereas Ember-1 does not.

Nova 2 Pro can handle both text and other forms of data like images, making it suitable for multimodal applications.

Ember-1

Text
Images
Audio
Video

Nova 2 Pro

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Ember-1

Proprietary

Closed source

Nova 2 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

Ember-1 was released on 2026-09-23, while Nova 2 Pro was released on 2025-12-02.

Ember-1 is 10 months newer than Nova 2 Pro.

Ember-1

Sep 23, 2026

2 weeks ago

9mo newer
Nova 2 Pro

Dec 2, 2025

10 months 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 Nova 2 Pro side-by-side, then vote on the output you prefer.

Ember-1
✓ Preferred
Nova 2 Pro
Open in Playground

FAQ

Common questions about Ember-1 vs Nova 2 Pro.

Which is better, Ember-1 or Nova 2 Pro?

Ember-1 leads the LLM Stats Score 43.6 to 30.8. Ember-1 is made by Fireworks AI and Nova 2 Pro is made by Amazon. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ember-1 compare to Nova 2 Pro 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%. Nova 2 Pro scores Tau2 Telecom: 92.7%, AIME 2025: 92.3%, ScreenSpot: 88.1%, LongCodeBench: 84.0%, MMLU-Pro: 81.6%.

What are the context window sizes for Ember-1 and Nova 2 Pro?

Ember-1 supports 1.0M tokens and Nova 2 Pro 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 Nova 2 Pro?

Key differences include LLM Stats Score (43.6 vs 30.8), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Ember-1 and Nova 2 Pro?

Ember-1 is developed by Fireworks AI and Nova 2 Pro is developed by Amazon.