Sonar Pro vs Grok 4.20 Multi Agent
At a Glance
| Compare |  Sonar ProPerplexity | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | UnrankedNot in the 46-model eligible cohort | #22 of 4663.4 score · 2/3 sources · provisional · missing LiveBench · full-core range 42.3–75.6 |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Openrouter ↗ · Sep 22, 2026 | $1.25Xai ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $15.00Openrouter ↗ · Sep 22, 2026 | $2.50Xai ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 200K | 1,000K |
| Model facts checked | Aug 29, 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
| Benchmark | Sonar Pro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Search Arenasearch-2026-08-24-d25aabda0010 · arena_rating · leader | 1,130.2194% of row best · rating · ppl-sonar-pro-high; 95% CI [1124.48384666, 1135.92956299]; votes 28519; rank 31 | 1,204.11100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1198.80874858, 1209.41102574]; votes 109553; rank 13 |
| Overall ResultCounted from the protocol-matched rows above | 0 benchmark winsNo overall winner | 1 benchmark winNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Sonar Pro | Grok 4.20 Multi-Agent |
|---|---|---|
| Developer | Perplexity | xAI |
| Family | Sonar | Grok 4 20 |
| Model | Sonar Pro | Grok 4.20 Multi-Agent |
| Version | Sonar Pro | Grok 4.20 Multi-Agent |
| Lifecycle | active | preview |
| Released | Unknown | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text | Text, Image |
| Output modalities | Text | Text |
| Context window | 200K | 1,000K |
| Total parameters | Unknown | Unknown |
| Active parameters | Unknown | Unknown |
| License | Unknown | Unknown |
| Open weights | No | No |
| API available | Yes | Yes |
| Self-hostable | No | No |
| Provider access | Openrouter (Standard), Perplexity (Standard) | Xai (Standard) |
| Capabilities | chat, citations, search | generation, reasoning, research, tools |
Sonar Pro Capabilities
Grok 4.20 Multi Agent Capabilities
Related Comparisons
All text comparisons →| A | Pair | B | Context |
|---|---|---|---|
 GPT-6 AstraOpenAI | vs | Sonar ProPerplexity | cross-developer peerstext |
Claude Fable 5.1Anthropic | vs | Sonar ProPerplexity | cross-developer peerstext |
 Gemini 3.1 ProGoogle DeepMind | vs | Sonar ProPerplexity | cross-developer peerstext |
 DeepSeek-V4.1-FlashDeepSeek | vs | Sonar ProPerplexity | cross-developer peerstext |
Sonar ProPerplexity | vs | Grok 4.6xAI | cross-developer peerstext |
Sonar ProPerplexity | vs |  Qwen3.8-MaxQwen | cross-developer peerstext |
 Kimi-K3Moonshot AI | vs | Sonar ProPerplexity | cross-developer peerstext |
 MiniMax-M3MiniMax | vs | Sonar ProPerplexity | cross-developer peerstext |
Sonar ProPerplexity | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Sonar ProPerplexity | vs |  Hy4 previewTencent | cross-developer peerstext |
Seed 2.1 ProByteDance Seed | vs | Sonar ProPerplexity | cross-developer peerstext |
 Mistral Large 3Mistral AI | vs | Sonar ProPerplexity | cross-developer peerstext |
Primary Evidence
Sources and Freshness
Questions
Sonar Pro vs Grok 4.20 Multi Agent FAQs
Is Sonar Pro or Grok 4.20 Multi Agent better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Sonar Pro and Grok 4.20 Multi Agent, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Sonar Pro or Grok 4.20 Multi Agent?+
Sonar Pro is $3.00 and Grok 4.20 Multi Agent is $1.25 per million tokens, so Grok 4.20 Multi Agent is cheaper on this metric. Sonar Pro is $15.00 and Grok 4.20 Multi Agent is $2.50 per million tokens, so Grok 4.20 Multi Agent is cheaper on this metric.
Which has a larger context window, Sonar Pro or Grok 4.20 Multi Agent?+
Grok 4.20 Multi Agent has the larger sourced context window. Sonar Pro supports 200K and Grok 4.20 Multi Agent supports 1,000K.
Which performs better in benchmarks, Sonar Pro or Grok 4.20 Multi Agent?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Sonar Pro or Grok 4.20 Multi Agent be self-hosted?+
Both models have the same recorded self-hosting status: unsupported. Sonar Pro is not marked open weight; Grok 4.20 Multi Agent is not marked open weight.
Can Sonar Pro and Grok 4.20 Multi Agent understand images?+
Sonar Pro is not documented with image input; Grok 4.20 Multi Agent is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Sonar Pro or Grok 4.20 Multi Agent?+
Neither has a larger sourced maximum output. Sonar Pro is — and Grok 4.20 Multi Agent is —.
Do Sonar Pro and Grok 4.20 Multi Agent support reasoning and tool use?+
Sonar Pro: none of these features are definitively sourced. Grok 4.20 Multi Agent: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Sonar Pro or Grok 4.20 Multi Agent?+
Sonar Pro has 2 sourced provider routes; Grok 4.20 Multi Agent has 1, so Sonar Pro has broader tracked availability.
Which offers better value, Sonar Pro or Grok 4.20 Multi Agent?+
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.