Ember-1 vs GPT-Rosalind
Ember-1 and GPT-Rosalind are closely matched at 43.1 and 31.6 on the LLM Stats Score. Ember-1 is 1.7x cheaper per token.
Fireworks AI · OpenAI · Updated for 2026
Which is better?
Ember-1 and GPT-Rosalind are closely matched on the overall LLM Stats Score at 43.1 and 31.6.
On price, Ember-1 is roughly 1.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Ember-1
- cost matters — it's about 1.7x cheaper per token
- you want the most recent training data — it shipped Sep 2026
Choose GPT-Rosalind
- you want predictable pricing at $5.00/M input and $25.00/M output
At a glance
The differences that matter most.
Individual benchmarks
4 reported for Ember-1 · 10 for GPT-Rosalind
Ember-1 and GPT-Rosalinddon'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
For input processing, Ember-1 ($3.00/1M tokens) is 1.7x cheaper than GPT-Rosalind ($5.00/1M tokens).
For output processing, Ember-1 ($15.00/1M tokens) is 1.7x cheaper than GPT-Rosalind ($25.00/1M tokens).
In conclusion, GPT-Rosalind is more expensive than Ember-1.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Only Ember-1 specifies input context (1,040,000 tokens).
Input capabilities
Documented input modalities across available providers
GPT-Rosalind supports multimodal inputs, whereas Ember-1 does not.
GPT-Rosalind can handle both text and other forms of data like images, making it suitable for multimodal applications.
Ember-1
GPT-Rosalind
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Ember-1 was released on 2026-09-23, while GPT-Rosalind was released on 2026-09-11.
Ember-1 is 0 month newer than GPT-Rosalind.
Sep 23, 2026
2 weeks ago
1w newerSep 11, 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.
Provider Availability
Ember-1 is available from Fireworks. GPT-Rosalind is available from OpenAI.
Ember-1
GPT-Rosalind
Outputs Comparison
Judge for yourself.
Run your own prompts against Ember-1 and GPT-Rosalind side-by-side, then vote on the output you prefer.
FAQ
Common questions about Ember-1 vs GPT-Rosalind.