Sonar Deep Research vs Muse Spark 1.2 Contributor compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Sonar Deep Research — full profile › · Muse Spark 1.2 Contributor — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Sonar Deep Research | Muse Spark 1.2 Contributor | Winner |
|---|---|---|---|
| Maker | Perplexity | Meta | – |
| Type | Proprietary | Proprietary | – |
| Context window | 128K tokens | 1M tokens | |
| Input price | $2/M | $0.1/M | |
| Output price | $8/M | $0.2/M | |
| Vision / multimodal | No | Yes | |
| Tool / function calling | No | Yes | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Muse Spark 1.2 Contributor is ~40× cheaper than Sonar Deep Research on output tokens ($0.2 vs $8 per M tokens).
| Capability | Sonar Deep Research | Muse Spark 1.2 Contributor |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✗ | ✓ |
| Tool / function calling | ✗ | ✓ |
| 1M+ context window | ✗ | ✓ |
| Criterion | Sonar Deep Research | Muse Spark 1.2 Contributor |
|---|---|---|
| Cost-efficiency | 3.5 | 5.0 |
| 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.
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 contributor tier is a reasoning model from Meta designed for developers who want to start building at an even lower cost. It’s meaningfully cheaper than Muse Spark...
Muse Spark 1.2 Contributor is cheaper on output ($0.2/M vs $8/M).
Muse Spark 1.2 Contributor offers the larger context window (1M tokens).
Choose Muse Spark 1.2 Contributor for the lower output price ($0.2/M vs $8/M). It also gives you the larger 1M context window.
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