Meta: Muse Spark 1.1 vs GPT-5.5 Pro
meta-llama/muse-spark-1.1 · openai/gpt-5.5-pro
As of November 1, 2026, Meta: Muse Spark 1.1 is the cheaper API on UberLLM: $0.0131 per million input tokens and $0.0447 per million output, versus $9.00 / $54.00 for GPT-5.5 Pro, about 100% 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 Meta: Muse Spark 1.1 to cut cost; choose GPT-5.5 Pro when its capabilities fit your task better.
Meta: Muse Spark 1.1 vs GPT-5.5 Pro, side by side
| Spec | Meta: Muse Spark 1.1 | GPT-5.5 Pro |
|---|---|---|
| Price · input / 1M | $0.0131 | $9.00 |
| Price · output / 1M | $0.0447 | $54.00 |
| Context length | 1,048,576 | 1,000,000 |
| Max output tokens | 943,718 | 128,000 |
| Input modalities | text, image, video, audio, file | text, image |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 99% off | 70% off |
Best prices on UberLLM right now. No UberLLM fee on requests; adding credit by card costs 5.5% + $0.50. Updated November 1, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Meta: Muse Spark 1.1 vs GPT-5.5 Pro — FAQ
Is Meta: Muse Spark 1.1 or GPT-5.5 Pro cheaper?
Meta: Muse Spark 1.1 is cheaper on a blended token mix, by about 100%. 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 Meta: Muse Spark 1.1 and GPT-5.5 Pro?
Meta: Muse Spark 1.1: $0.0131 in / $0.0447 out per 1M tokens. GPT-5.5 Pro: $9.00 in / $54.00 out per 1M tokens. That's roughly a 100% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Meta: Muse Spark 1.1 and GPT-5.5 Pro 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.