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DeepSeek-V4.1-Flash-1017 vs Ember-1

DeepSeek-V4.1-Flash-1017 and Ember-1 are closely matched at 51.2 and 42.3 on the LLM Stats Score. DeepSeek-V4.1-Flash-1017 is 11.4x cheaper per token.

DeepSeek · Fireworks AI · Updated for 2026

Which is better?

DeepSeek-V4.1-Flash-1017 and Ember-1 are closely matched on the overall LLM Stats Score at 51.2 and 42.3.

In the 1 individual benchmarks reported for both models, DeepSeek-V4.1-Flash-1017 wins 1; this is a narrower head-to-head signal than the composite indexes.

On price, DeepSeek-V4.1-Flash-1017 is roughly 11.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

DeepSeek-V4.1-Flash-1017 also accepts a larger context window (1,048,576 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 DeepSeek-V4.1-Flash-1017

  • you value its reported benchmark strengths — it wins 1 of 1 exact shared results
  • cost matters — it's about 11.4x cheaper per token
  • you process long inputs — it offers a 1,048,576 token context window
  • you want the most recent training data — it shipped Oct 2026
  • you need open weights you can self-host or fine-tune

Choose Ember-1

  • you want predictable pricing at $3.00/M input and $15.00/M output

At a glance

The differences that matter most.

Core performance indexes
51.2
#15
42.3
#65
48.8
#18
38.7
#77
39.3
#14
35.9
#28
38.7
#8
28.6
#55
Cost, coverage & limits
Benchmark wins
1 of 1
0 of 1
Input price
$0.30 / M
$3.00 / M
Output price
$1.20 / M
$15.00 / M
Context window
1,048,576
1,040,000

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
DeepSeek-V4.1-Flash-1017
Ember-1
31.3#6
16.1#98
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

11 reported for DeepSeek-V4.1-Flash-1017 · 4 for Ember-1

1 shared

DeepSeek-V4.1-Flash-1017 outperforms in 1 benchmarks (DeepSWE 1.1), while Ember-1 is better at 0 benchmarks.

DeepSeek-V4.1-Flash-1017 significantly outperforms across most benchmarks.

Thu Oct 22 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

DeepSeek-V4.1-Flash-1017 costs less

For input processing, DeepSeek-V4.1-Flash-1017 ($0.30/1M tokens) is 10.0x cheaper than Ember-1 ($3.00/1M tokens).

For output processing, DeepSeek-V4.1-Flash-1017 ($1.20/1M tokens) is 12.5x cheaper than Ember-1 ($15.00/1M tokens).

In conclusion, Ember-1 is more expensive than DeepSeek-V4.1-Flash-1017.*

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

Lowest available price from all providers
Thu Oct 22 2026 • llm-stats.com
DeepSeek
DeepSeek-V4.1-Flash-1017
Input tokens$0.30
Output tokens$1.20
Best providerDeepSeek
Fireworks AI
Ember-1
Input tokens$3.00
Output tokens$15.00
Best providerFireworks
Notice missing or incorrect data?

Model Size

Parameter count comparison

2016.8B diff

Ember-1 has 2016.8B more parameters than DeepSeek-V4.1-Flash-1017, making it 264.3% larger.

DeepSeek
DeepSeek-V4.1-Flash-1017
763.2Bparameters
Fireworks AI
Ember-1
2.8Tparameters
763.2B
DeepSeek-V4.1-Flash-1017
2780.0B
Ember-1

Context Window

Maximum input and output token capacity

DeepSeek-V4.1-Flash-1017 accepts 1,048,576 input tokens compared to Ember-1's 1,040,000 tokens. Only DeepSeek-V4.1-Flash-1017 specifies output context (393,216 tokens).

DeepSeek
DeepSeek-V4.1-Flash-1017
Input1,048,576 tokens
Output393,216 tokens
Fireworks AI
Ember-1
Input1,040,000 tokens
Output- tokens
Thu Oct 22 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

DeepSeek-V4.1-Flash-1017 supports multimodal inputs, whereas Ember-1 does not.

DeepSeek-V4.1-Flash-1017 can handle both text and other forms of data like images, making it suitable for multimodal applications.

DeepSeek-V4.1-Flash-1017

Text
Images
Audio
Video

Ember-1

Text
Images
Audio
Video

License

Usage and distribution terms

DeepSeek-V4.1-Flash-1017 is licensed under MIT, while Ember-1 uses a proprietary license.

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

DeepSeek-V4.1-Flash-1017

MIT

Open weights

Ember-1

Proprietary

Closed source

Release Timeline

When each model was launched

DeepSeek-V4.1-Flash-1017 was released on 2026-10-17, while Ember-1 was released on 2026-09-23.

DeepSeek-V4.1-Flash-1017 is 1 month newer than Ember-1.

DeepSeek-V4.1-Flash-1017

Oct 17, 2026

2 days ago

3w newer
Ember-1

Sep 23, 2026

3 weeks 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

DeepSeek-V4.1-Flash-1017 is available from DeepSeek. Ember-1 is available from Fireworks.

DeepSeek-V4.1-Flash-1017

deepseek logo
DeepSeek
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Ember-1

fireworks logo
Fireworks
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?

Judge for yourself.

Run your own prompts against DeepSeek-V4.1-Flash-1017 and Ember-1 side-by-side, then vote on the output you prefer.

DeepSeek-V4.1-Flash-1017
✓ Preferred
Ember-1
Open in Playground

FAQ

Common questions about DeepSeek-V4.1-Flash-1017 vs Ember-1.

Which is better, DeepSeek-V4.1-Flash-1017 or Ember-1?

DeepSeek-V4.1-Flash-1017 and Ember-1 are closely matched on the LLM Stats Score at 51.2 and 42.3. DeepSeek-V4.1-Flash-1017 is made by DeepSeek and Ember-1 is made by Fireworks AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does DeepSeek-V4.1-Flash-1017 compare to Ember-1 in benchmarks?

DeepSeek-V4.1-Flash-1017 scores BabyVision: 92.5%, Chartography: 83.0%, DeepSWE 1.1: 77.0%, NL2Repo: 68.2%, AutomationBench: 60.5%. Ember-1 scores SWE-Bench Verified: 92.2%, Terminal-Bench 2.1: 82.0%, DeepSWE 1.1: 75.2%, Tau2 Airline: 66.0%.

Is DeepSeek-V4.1-Flash-1017 cheaper than Ember-1?

DeepSeek-V4.1-Flash-1017 is 10.0x cheaper for input tokens. DeepSeek-V4.1-Flash-1017 costs $0.30/M input and $1.20/M output via deepseek. Ember-1 costs $3.00/M input and $15.00/M output via fireworks.

What are the context window sizes for DeepSeek-V4.1-Flash-1017 and Ember-1?

DeepSeek-V4.1-Flash-1017 supports 1.0M tokens and Ember-1 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between DeepSeek-V4.1-Flash-1017 and Ember-1?

Key differences include LLM Stats Score (51.2 vs 42.3), context window (1.0M vs 1.0M), input pricing ($0.30 vs $3.00/M), multimodal support (yes vs no), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes DeepSeek-V4.1-Flash-1017 and Ember-1?

DeepSeek-V4.1-Flash-1017 is developed by DeepSeek and Ember-1 is developed by Fireworks AI.