GPT-4.1 Paid vs 
Sonar Deep Research Paid
GPT-4.1 vs Sonar Deep Research compared — price per token, context window, multimodality, openness and which to choose. Full 2026 breakdown.
GPT-4.1 — 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.
$8 /M outputManaged API (no infra to run)
$8 /M outputManaged API (no infra to run)
GPT-4.1 vs Sonar Deep Research specs
| Spec | GPT-4.1 | Sonar Deep Research | Winner |
|---|---|---|---|
| Maker | OpenAI | Perplexity | – |
| Type | Proprietary | Proprietary | – |
| Context window | 1M tokens | 128K tokens | |
| Input price | $2/M | $2/M | = Tie |
| Output price | $8/M | $8/M | = Tie |
| Vision / multimodal | Yes | No | |
| Tool / function calling | Yes | No | |
| Self-hostable | No (API only) | No (API only) | – |
| License | Proprietary | Proprietary | – |
Price gap & when to choose each
- You want frontier performance through a managed API
- You need the longer 1M context window
- You value reliability & ecosystem
- You don't want to manage infrastructure
- You want frontier performance through a managed API
- You value reliability & ecosystem
- You don't want to manage infrastructure
Feature comparison
| Capability | GPT-4.1 | Sonar Deep Research |
|---|---|---|
| Open weights (downloadable) | ✗ | ✗ |
| Self-hostable | ✗ | ✗ |
| Runs fully offline | ✗ | ✗ |
| Vision / multimodal | ✓ | ✗ |
| Tool / function calling | ✓ | ✗ |
| 1M+ context window | ✓ | ✗ |
Benchmarks: GPT-4.1 vs Sonar Deep Research
Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).
Benchmark data by Artificial Analysis.
How GPT-4.1 and Sonar Deep Research score
| Criterion | GPT-4.1 | 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.
What each model is
GPT-4.1 Paid
GPT-4.1 is a flagship large language model optimized for advanced instruction following, real-world software engineering, and long-context reasoning. It supports a 1 million token context window and outperforms GPT-4o and...
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...
Other models in these families
These variants are tracked but not compared here — one page per family keeps the comparison readable.
Frequently asked questions
GPT-4.1 vs Sonar Deep Research — which is cheaper?
GPT-4.1 is cheaper on output ($8/M vs $8/M).
Which has the larger context window?
GPT-4.1 offers the larger context window (1M tokens).
GPT-4.1 vs Sonar Deep Research — which should I pick in 2026?
Choose GPT-4.1 for the lower output price ($8/M vs $8/M). It also gives you the larger 1M context window.
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