Muse Spark 1.2 vs Claude Sonnet 4.6
Meta vs Anthropic · Prices checked 12 August 2026
Muse Spark 1.2 is the cheaper of the two by a wide margin: $2.15 per million tokens blended against $6.60, roughly 3.1× less. A single 100K-input, 10K-output job costs $0.168 on Muse Spark 1.2 against $0.450 on Claude Sonnet 4.6.
Muse Spark 1.2 takes a 1,049,000-token context window against 1,000,000, giving a modest edge for long documents or whole-codebase work. Muse Spark 1.2 was released Jul 2026; Claude Sonnet 4.6 Nov 2025.
Pricing and capacity
| Metric | Muse Spark 1.2 | Claude Sonnet 4.6 | Difference |
|---|---|---|---|
| Input / 1M tokens | $1.25 | $3.00 | 2.4× |
| Output / 1M tokens | $4.25 | $15.00 | 3.5× |
| Blended · 70/30calculated | $2.15 | $6.60 | 3.1× |
| Blended · 50/50calculated | $2.75 | $9.00 | 3.3× |
| Blended · 80/20calculated | $1.85 | $5.40 | 2.9× |
| Blended · 20/80calculated | $3.65 | $12.60 | 3.5× |
| Job cost · 100K + 10Kcalculated | $0.168 | $0.450 | 2.7× |
| Job cost · 1M + 100Kcalculated | $1.68 | $4.50 | 2.7× |
| Context window | 1,049,000 | 1,000,000 | 5% |
Input and output rates are as published by each provider. Blended and job-cost rows are calculated comparison metrics, not published prices — how they are derived.
Benchmarks
These two models do not currently report scores on any of the same benchmark suites, so there is no like-for-like capability comparison to show. Rather than pad the page with one-sided numbers, the benchmark leaderboards list every score we do hold.
What each model is for
Muse Spark 1.2
Meta · Frontier
Meta Superintelligence Labs' flagship line, and Meta's entry into the agentic coding market via the Meta Model API rather than open weights. Muse Spark plans work, delegates to subagents, writes scripts or drives UIs directly, and debugs from screenshots. It pairs a 1M-token context window with full multimodal input (images, video and PDFs) plus built-in search with citations, structured output and parallel tool calling.
- Agentic execution with subagent delegation
- Coding, with particular strength on frontend and design work
- 1M-token context
- Images, video and PDF input
Claude Sonnet 4.6
Anthropic · Balanced
Frontier-grade Claude at one fifth of Opus pricing. The default workhorse for most production traffic on the Anthropic API.
- Best price/performance in the Claude family
- 1M-token context
- Strong vision
- Reliable function calling
Frequently asked questions
Which is cheaper, Muse Spark 1.2 or Claude Sonnet 4.6?
Muse Spark 1.2 is the cheaper of the two by a wide margin: $2.15 per million tokens blended against $6.60, roughly 3.1× less. A single 100K-input, 10K-output job costs $0.168 on Muse Spark 1.2 against $0.450 on Claude Sonnet 4.6. Blended cost weights input at 70% and output at 30%; price your own token split for an exact answer, since the cheaper model on a blended basis is not always cheaper for your workload.
Which has the larger context window, Muse Spark 1.2 or Claude Sonnet 4.6?
Muse Spark 1.2 takes a 1,049,000-token context window against 1,000,000, giving a modest edge for long documents or whole-codebase work. The context window caps everything in a single request: prompt, retrieved documents, conversation history and the model’s own output all share it.
Can I compare Muse Spark 1.2 and Claude Sonnet 4.6 on my own numbers?
Yes. Open both in the side-by-side comparison tool to see every field at once, or use the token calculator to price your actual prompt and monthly request volume against each model. Both are free and need no sign-up.
Price it for your own workload
Related matchups
Terms used on this page
Prices and scores are recomputed on every deploy from the catalogue. Prices checked 12 August 2026.