Claude Opus 4.5 vs Meta: Muse Spark Open
anthropic/claude-opus-4.5 · meta-llama/muse-spark-open
As of November 3, 2026, Claude Opus 4.5 is the cheaper API on UberLLM: $0.2310 per million input tokens and $1.16 per million output, versus $0.3750 / $1.27 for Meta: Muse Spark Open, about 12% 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 Claude Opus 4.5 to cut cost; choose Meta: Muse Spark Open when context size wins. Meta: Muse Spark Open carries the larger context window (1,048,576 vs 198,000 tokens), which can matter for long-document work.
Claude Opus 4.5 vs Meta: Muse Spark Open, side by side
| Spec | Claude Opus 4.5 | Meta: Muse Spark Open |
|---|---|---|
| Price · input / 1M | $0.2310 | $0.3750 |
| Price · output / 1M | $1.16 | $1.27 |
| Context length | 198,000 | 1,048,576 |
| Max output tokens | 32,768 | 943,718 |
| Input modalities | text, image | text, image, video, audio, file |
| Output modalities | text | text |
| Tools / functions | Yes | Yes |
| Vision (image input) | Yes | Yes |
| Reasoning | Yes | Yes |
| % off list | 95.4% 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 3, 2026. A price more than 70% below list is what buyers were billed, not an error. Why so cheap?
Claude Opus 4.5 vs Meta: Muse Spark Open — FAQ
Is Claude Opus 4.5 or Meta: Muse Spark Open cheaper?
Claude Opus 4.5 is cheaper on a blended token mix, by about 12%. 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 Claude Opus 4.5 and Meta: Muse Spark Open?
Claude Opus 4.5: $0.2310 in / $1.16 out per 1M tokens. Meta: Muse Spark Open: $0.3750 in / $1.27 out per 1M tokens. That's roughly a 12% blended difference. Prices are live; UberLLM adds no fee.
Can I use both Claude Opus 4.5 and Meta: Muse Spark Open 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.