Claude Sonnet 5 vs Sonar Deep Research compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
Claude Sonnet 5 — full profile › · Sonar Deep Research — full profile ›
Prices & specs refreshed from live data · olud.ai
Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.
| Spec | Claude Sonnet 5 | Sonar Deep Research | Winner |
|---|---|---|---|
| Maker | Anthropic | Perplexity | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 128K tokens | |
| Input price | $2/M | $2/M | = Tie |
| Output price | $10/M | $8/M | |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | No | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
| Capability | Claude Sonnet 5 | Sonar Deep Research |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✓ | ✗ |
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
| Criterion | Claude Sonnet 5 | Sonar Deep Research |
|---|---|---|
| Cost-efficiency | 3.5 | 3.5 |
| Context window | 5.0 | 3.5 |
| Openness | 1.5 | 1.5 |
| Self-hosting | 1.0 | 1.0 |
| Multimodality | 5.0 | 2.0 |
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.
Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...
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...
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Sonar Deep Research is cheaper on output ($8/M vs $10/M).
Claude Sonnet 5 offers the larger context window (1M tokens).
Choose Sonar Deep Research for the lower output price ($8/M vs $10/M). Choose Claude Sonnet 5 if you need the larger 1M context window.
Browse the full open-source model leaderboard, thousands of tools and live benchmarks — all in one place.
Open the leaderboard →