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Ember-1 vs Grok-3 Mini

Ember-1 leads the LLM Stats Score 43.1 to 31.3. Grok-3 Mini is 17.1x cheaper per token.

Fireworks AI · xAI · Updated for 2026

Which is better?

Ember-1 leads the overall LLM Stats Score 43.1 to 31.3, ranking #51 overall.

On price, Grok-3 Mini is roughly 17.1x 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 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 Grok-3 Mini

  • cost matters — it's about 17.1x cheaper per token

At a glance

The differences that matter most.

Ember-1
Fireworks AI
Grok-3 Mini
xAI
Core performance indexes
LLM Stats Score
43.1
#51
31.3
#127
Reasoning
38.6
#72
30.9
#128
Coding
37.0
#22
18.6
#122
Cost, coverage & limits
Benchmark wins
—
—
Input price
$3.00 / M
$0.30 / M
Output price
$15.00 / M
$0.50 / M
Context window
1,040,000
128,000

Individual benchmarks

4 reported for Ember-1 · 4 for Grok-3 Mini

No common benchmarks found

Ember-1 and Grok-3 Minidon'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

Grok-3 Mini costs less

For input processing, Ember-1 ($3.00/1M tokens) is 10.0x more expensive than Grok-3 Mini ($0.30/1M tokens).

For output processing, Ember-1 ($15.00/1M tokens) is 30.0x more expensive than Grok-3 Mini ($0.50/1M tokens).

In conclusion, Ember-1 is more expensive than Grok-3 Mini.*

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

Lowest available price from all providers
Thu Oct 08 2026 • llm-stats.com
Fireworks AI
Ember-1
Input tokens$3.00
Output tokens$15.00
Best providerFireworks
xAI
Grok-3 Mini
Input tokens$0.30
Output tokens$0.50
Best providerxAI
Notice missing or incorrect data?

Context Window

Maximum input and output token capacity

Ember-1 accepts 1,040,000 input tokens compared to Grok-3 Mini's 128,000 tokens. Only Grok-3 Mini specifies output context (8,000 tokens).

Fireworks AI
Ember-1
Input1,040,000 tokens
Output- tokens
xAI
Grok-3 Mini
Input128,000 tokens
Output8,000 tokens
Thu Oct 08 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

Grok-3 Mini supports multimodal inputs, whereas Ember-1 does not.

Grok-3 Mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

Ember-1

Text
Images
Audio
Video

Grok-3 Mini

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

Grok-3 Mini

Proprietary

Closed source

Release Timeline

When each model was launched

Ember-1 was released on 2026-09-23, while Grok-3 Mini was released on 2025-02-17.

Ember-1 is 19 months newer than Grok-3 Mini.

Ember-1

Sep 23, 2026

2 weeks ago

1.6yr newer
Grok-3 Mini

Feb 17, 2025

1.6 years ago

Knowledge Cutoff

When training data ends

Grok-3 Mini has a documented knowledge cutoff of 2024-11-17, while Ember-1's cutoff date is not specified.

We can confirm Grok-3 Mini's training data extends to 2024-11-17, but cannot make a direct comparison without Ember-1's cutoff date.

Ember-1

—

Grok-3 Mini

Nov 2024

Provider Availability

Ember-1 is available from Fireworks. Grok-3 Mini is available from xAI.

Ember-1

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

Grok-3 Mini

xai logo
xAI
Input Price:Input: $0.30/1MOutput Price:Output: $0.50/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against Ember-1 and Grok-3 Mini side-by-side, then vote on the output you prefer.

Ember-1
✓ Preferred
Grok-3 Mini
Open in Playground

FAQ

Common questions about Ember-1 vs Grok-3 Mini.

Which is better, Ember-1 or Grok-3 Mini?

Ember-1 leads the LLM Stats Score 43.1 to 31.3. Ember-1 is made by Fireworks AI and Grok-3 Mini is made by xAI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does Ember-1 compare to Grok-3 Mini 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%. Grok-3 Mini scores AIME 2024: 95.8%, AIME 2025: 90.8%, GPQA: 84.0%, LiveCodeBench: 80.4%.

Is Ember-1 cheaper than Grok-3 Mini?

Grok-3 Mini is 10.0x cheaper for input tokens. Ember-1 costs $3.00/M input and $15.00/M output via fireworks. Grok-3 Mini costs $0.30/M input and $0.50/M output via xai.

What are the context window sizes for Ember-1 and Grok-3 Mini?

Ember-1 supports 1.0M tokens and Grok-3 Mini supports 128K 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 Grok-3 Mini?

Key differences include LLM Stats Score (43.1 vs 31.3), context window (1.0M vs 128K), input pricing ($3.00 vs $0.30/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.

Who makes Ember-1 and Grok-3 Mini?

Ember-1 is developed by Fireworks AI and Grok-3 Mini is developed by xAI.

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