Fireworks: Ember-1 vs GPT-5.2 Codex
fireworks/ember-1 · openai/gpt-5.2-codex
As of November 4, 2026, GPT-5.2 Codex is the cheaper API on UberLLM: $0.4375 per million input tokens and $3.50 per million output, versus $0.9000 / $4.50 for Fireworks: Ember-1, about 24% less when output is 3 tokens for every input token. These are the best prices on the market right now. Both work with one OpenAI-compatible key and UberLLM adds no fee. Choose GPT-5.2 Codex to cut cost; choose Fireworks: Ember-1 when context size wins. Fireworks: Ember-1 carries the larger context window (1,048,576 vs 256,000 tokens), which can matter for long-document work.
Fireworks: Ember-1 vs GPT-5.2 Codex, side by side
| Spec | Fireworks: Ember-1 | GPT-5.2 Codex |
|---|---|---|
| Price · input / 1M | $0.9000 | $0.4375 |
| Price · output / 1M | $4.50 | $3.50 |
| Context length | 1,048,576 | 256,000 |
| Max output tokens | 943,718 | 65,536 |
| Input modalities | text, image | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 70% off | 75% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 4, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Fireworks: Ember-1 vs GPT-5.2 Codex — FAQ
Is Fireworks: Ember-1 or GPT-5.2 Codex cheaper?
GPT-5.2 Codex is cheaper on a blended token mix, by about 24%. A request costs what its provider charged, UberLLM adds no fee, and every request is listed with its cost in Activity.
What's the price difference between Fireworks: Ember-1 and GPT-5.2 Codex?
Fireworks: Ember-1: $0.9000 in / $4.50 out per 1M tokens. GPT-5.2 Codex: $0.4375 in / $3.50 out per 1M tokens. That's roughly a 24% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Fireworks: Ember-1 and GPT-5.2 Codex with one API?
Yes. Both are served through a single OpenAI-compatible endpoint — set the base URL to https://api.uberllm.dev/v1 and your UberLLM key, then switch between them by changing the model id. Anthropic SDKs work via https://api.uberllm.dev/v1/messages.