Sonar Deep Research Paid vs 
Muse Spark 1.2 Paid
Sonar Deep Research vs Muse Spark 1.2 compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Sonar Deep Research — full profile › · Muse Spark 1.2 — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
$8 /M outputManaged API (no infra to run)
$4.25 /M outputManaged API (no infra to run)
Sonar Deep Research vs Muse Spark 1.2 specs
| Spec | Sonar Deep Research | Muse Spark 1.2 | Winner |
|---|---|---|---|
| Maker | Perplexity | Meta | – |
| Type | Proprietary | Proprietary | – |
| Context window | 128K tokens | 1M tokens | |
| Input price | $2/M | $1.25/M | |
| Output price | $8/M | $4.25/M | |
| Vision / multimodal | No | Yes | |
| Tool / function calling | No | Yes | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
Muse Spark 1.2 is ~1.9× cheaper than Sonar Deep Research on output tokens ($4.25 vs $8 per M tokens).
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You need the longer 1M context window
- You want the lower output price
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | Sonar Deep Research | Muse Spark 1.2 |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✗ | ✓ |
| 1M+ context window | ✗ | ✓ |
Benchmarks: Sonar Deep Research vs Muse Spark 1.2
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How Sonar Deep Research and Muse Spark 1.2 score
| Criterion | Sonar Deep Research | Muse Spark 1.2 |
|---|---|---|
| Cost-efficiency | 3.5 | 4.0 |
| Context window | 3.5 | 5.0 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 2.0 | 5.0 |
Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.
What each model is
Sonar Deep Research Paid
Sonar Deep Research is a research-focused model designed for multi-step retrieval, synthesis, and reasoning across complex topics. It autonomously searches, reads, and evaluates sources, refining its approach as it gathers...
Muse Spark 1.2 Paid
Muse Spark 1.2 is a reasoning model from Meta, designed for complex agentic tasks. It accepts text, images, video, audio, and PDF documents, returns text, and offers a 1M-token context...
Frequently asked questions
Sonar Deep Research vs Muse Spark 1.2 — which is cheaper?
Muse Spark 1.2 is cheaper on output ($4.25/M vs $8/M).
Which has the larger context window?
Muse Spark 1.2 offers the larger context window (1M tokens).
Sonar Deep Research vs Muse Spark 1.2 — which should I pick in 2026?
Choose Muse Spark 1.2 for the lower output price ($4.25/M vs $8/M). It also gives you the larger 1M context window.
People also compare
Explore more open-source AI
Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.
Open the leaderboard →