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Ember-1 vs Nemotron 3.5 Lightning (30B A3B)

Ember-1 leads the LLM Stats Score 43.1 to 21.9. Nemotron 3.5 Lightning (30B A3B) is 54.5x cheaper per token.

Fireworks AI · NVIDIA · Updated for 2026

Which is better?

Ember-1 leads the overall LLM Stats Score 43.1 to 21.9, ranking #51 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.

On price, Nemotron 3.5 Lightning (30B A3B) is roughly 54.5x 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 value its reported benchmark strengths — it wins 2 of 2 exact shared results
  • 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 Nemotron 3.5 Lightning (30B A3B)

  • cost matters — it's about 54.5x cheaper per token
  • you need open weights you can self-host or fine-tune

At a glance

The differences that matter most.

Ember-1
Fireworks AI
Nemotron 3.5 Lightning (30B A3B)
NVIDIA
Core performance indexes
LLM Stats Score
43.1
#51
21.9
#196
Reasoning
38.6
#71
19.5
#213
Coding
37.0
#22
8.1
#196
Agents
29.7
#44
6.6
#155
Cost, coverage & limits
Benchmark wins
2 of 2
0 of 2
Input price
$3.00 / M
$0.08 / M
Output price
$15.00 / M
$0.20 / M
Context window
1,040,000
262,144

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
Ember-1
Nemotron 3.5 Lightning (30B A3B)
Tool use
15.9#94
-0.2#194
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

4 reported for Ember-1 · 13 for Nemotron 3.5 Lightning (30B A3B)

2 shared

Ember-1 outperforms in 2 benchmarks (SWE-Bench Verified, Terminal-Bench 2.1), while Nemotron 3.5 Lightning (30B A3B) is better at 0 benchmarks.

Ember-1 significantly outperforms across most benchmarks.

Mon Oct 12 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

Nemotron 3.5 Lightning (30B A3B) costs less

For input processing, Ember-1 ($3.00/1M tokens) is 37.5x more expensive than Nemotron 3.5 Lightning (30B A3B) ($0.08/1M tokens).

For output processing, Ember-1 ($15.00/1M tokens) is 75.0x more expensive than Nemotron 3.5 Lightning (30B A3B) ($0.20/1M tokens).

In conclusion, Ember-1 is more expensive than Nemotron 3.5 Lightning (30B A3B).*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Mon Oct 12 2026 • llm-stats.com
Fireworks AI
Ember-1
Input tokens$3.00
Output tokens$15.00
Best providerFireworks
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
Input tokens$0.08
Output tokens$0.20
Best providerDeepinfra
Notice missing or incorrect data?

Model Size

Parameter count comparison

2750.0B diff

Ember-1 has 2750.0B more parameters than Nemotron 3.5 Lightning (30B A3B), making it 9166.7% larger.

Fireworks AI
Ember-1
2.8Tparameters
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
30.0Bparameters
2780.0B
Ember-1
30.0B
Nemotron 3.5 Lightning (30B A3B)

Context Window

Maximum input and output token capacity

Ember-1 accepts 1,040,000 input tokens compared to Nemotron 3.5 Lightning (30B A3B)'s 262,144 tokens. Only Nemotron 3.5 Lightning (30B A3B) specifies output context (262,144 tokens).

Fireworks AI
Ember-1
Input1,040,000 tokens
Output- tokens
NVIDIA
Nemotron 3.5 Lightning (30B A3B)
Input262,144 tokens
Output262,144 tokens
Mon Oct 12 2026 • llm-stats.com

License

Usage and distribution terms

Ember-1 is licensed under a proprietary license, while Nemotron 3.5 Lightning (30B A3B) uses OpenMDW License v1.1.

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

Ember-1

Proprietary

Closed source

Nemotron 3.5 Lightning (30B A3B)

OpenMDW License v1.1

Open weights

Release Timeline

When each model was launched

Ember-1 was released on 2026-09-23, while Nemotron 3.5 Lightning (30B A3B) was released on 2026-08-11.

Ember-1 is 1 month newer than Nemotron 3.5 Lightning (30B A3B).

Ember-1

Sep 23, 2026

2 weeks ago

1mo newer
Nemotron 3.5 Lightning (30B A3B)

Aug 11, 2026

2 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

Provider Availability

Ember-1 is available from Fireworks. Nemotron 3.5 Lightning (30B A3B) is available from DeepInfra.

Ember-1

fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

Nemotron 3.5 Lightning (30B A3B)

deepinfra logo
Deepinfra
Input Price:Input: $0.08/1MOutput Price:Output: $0.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Ember-1 and Nemotron 3.5 Lightning (30B A3B) side-by-side, then vote on the output you prefer.

Ember-1
✓ Preferred
Nemotron 3.5 Lightning (30B A3B)
Open in Playground

FAQ

Common questions about Ember-1 vs Nemotron 3.5 Lightning (30B A3B).

Which is better, Ember-1 or Nemotron 3.5 Lightning (30B A3B)?

Ember-1 leads the LLM Stats Score 43.1 to 21.9. Ember-1 is made by Fireworks AI and Nemotron 3.5 Lightning (30B A3B) is made by NVIDIA. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ember-1 compare to Nemotron 3.5 Lightning (30B A3B) 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%. Nemotron 3.5 Lightning (30B A3B) scores PinchBench: 85.4%, MMLU-Pro: 81.9%, GPQA: 75.4%, IFBench: 71.9%, AA-LCR: 52.0%.

Is Ember-1 cheaper than Nemotron 3.5 Lightning (30B A3B)?

Nemotron 3.5 Lightning (30B A3B) is 37.5x cheaper for input tokens. Ember-1 costs $3.00/M input and $15.00/M output via fireworks. Nemotron 3.5 Lightning (30B A3B) costs $0.08/M input and $0.20/M output via deepinfra.

What are the context window sizes for Ember-1 and Nemotron 3.5 Lightning (30B A3B)?

Ember-1 supports 1.0M tokens and Nemotron 3.5 Lightning (30B A3B) supports 262K 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 Nemotron 3.5 Lightning (30B A3B)?

Key differences include LLM Stats Score (43.1 vs 21.9), context window (1.0M vs 262K), input pricing ($3.00 vs $0.08/M), licensing (Proprietary vs OpenMDW License v1.1). See the full comparison above for benchmark-by-benchmark results.

Who makes Ember-1 and Nemotron 3.5 Lightning (30B A3B)?

Ember-1 is developed by Fireworks AI and Nemotron 3.5 Lightning (30B A3B) is developed by NVIDIA.

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