Meta: Muse Spark 1.3 vs GPT 5.4 Nano
meta-llama/muse-spark-1.3 · openai/gpt-5.4-nano
As of November 1, 2026, Meta: Muse Spark 1.3 is the cheaper API on UberLLM: $0.0105 per million input tokens and $0.0355 per million output, versus $0.0390 / $0.2437 for GPT 5.4 Nano, about 85% 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 1.3 to cut cost; choose GPT 5.4 Nano when its capabilities fit your task better.
Meta: Muse Spark 1.3 vs GPT 5.4 Nano, side by side
| Spec | Meta: Muse Spark 1.3 | GPT 5.4 Nano |
|---|---|---|
| Price · input / 1M | $0.0105 | $0.0390 |
| Price · output / 1M | $0.0355 | $0.2437 |
| Context length | 1,048,576 | 400,000 |
| 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 | 99.2% off | 80.5% off |
| First token, median (7 days) | 11.4 s (1,047 requests) | — |
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 1.3 vs GPT 5.4 Nano — FAQ
Is Meta: Muse Spark 1.3 or GPT 5.4 Nano cheaper?
Meta: Muse Spark 1.3 is cheaper on a blended token mix, by about 85%. 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 1.3 and GPT 5.4 Nano?
Meta: Muse Spark 1.3: $0.0105 in / $0.0355 out per 1M tokens. GPT 5.4 Nano: $0.0390 in / $0.2437 out per 1M tokens. That's roughly a 85% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Meta: Muse Spark 1.3 and GPT 5.4 Nano 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.