Phi-4 Reasoning vs Sonar Pro
At a Glance
| Compare |  Phi-4 ReasoningMicrosoft |  Sonar ProPerplexity |
|---|---|---|
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | Not reported | $3.00Openrouter ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | Not reported | $15.00Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 33K | 200K |
| Model facts checked | Aug 28, 2026View model evidence → | Aug 29, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | Phi-4-reasoning | Sonar Pro |
|---|---|---|
| Developer | Microsoft | Perplexity |
| Family | Phi 4 Reasoning | Sonar |
| Model | Phi-4-reasoning | Sonar Pro |
| Version | Phi-4-reasoning | Sonar Pro |
| Lifecycle | active | active |
| Released | 2025-04-30 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text |
| Output modalities | Text | Text |
| Context window | 33K | 200K |
| Total parameters | 14.7B | Unknown |
| Active parameters | Unknown | Unknown |
| License | mit | Unknown |
| Open weights | Yes | No |
| API available | Unknown | Yes |
| Self-hostable | Yes | No |
| Provider access | Unknown | Openrouter (Standard), Perplexity (Standard) |
| Capabilities | chat, generation, reasoning | chat, citations, search |
Phi-4 Reasoning Capabilities
Sonar Pro Capabilities
Related Comparisons
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Phi-4-reasoningMicrosoft | vs |  Mistral Large 3Mistral AI | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Phi-4 Reasoning vs Sonar Pro FAQs
Is Phi-4 Reasoning or Sonar Pro better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Phi-4 Reasoning and Sonar Pro, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Phi-4 Reasoning or Sonar Pro?+
Only Sonar Pro has a directly sourced input price: $3.00 per million tokens. Only Sonar Pro has a directly sourced output price: $15.00 per million tokens.
Which has a larger context window, Phi-4 Reasoning or Sonar Pro?+
Sonar Pro has the larger sourced context window. Phi-4 Reasoning supports 33K and Sonar Pro supports 200K.
Which performs better in benchmarks, Phi-4 Reasoning or Sonar Pro?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Phi-4 Reasoning or Sonar Pro be self-hosted?+
Phi-4 Reasoning is the only model in this pair currently marked as self-hostable. Phi-4 Reasoning is open weight; Sonar Pro is not marked open weight.
Can Phi-4 Reasoning and Sonar Pro understand images?+
Phi-4 Reasoning is not documented with image input; Sonar Pro is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Phi-4 Reasoning or Sonar Pro?+
Neither has a larger sourced maximum output. Phi-4 Reasoning is — and Sonar Pro is —.
Do Phi-4 Reasoning and Sonar Pro support reasoning and tool use?+
Phi-4 Reasoning: reasoning. Sonar Pro: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Phi-4 Reasoning or Sonar Pro?+
Phi-4 Reasoning has 0 sourced provider routes; Sonar Pro has 2, so Sonar Pro has broader tracked availability.
Which offers better value, Phi-4 Reasoning or Sonar Pro?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.