Grok 4.20 Multi Agent vs Grok 4.3
At a Glance
| Compare | Grok 4.3xAI | |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v4.4 | #16 of 5764.3 score · 2/3 sources · provisional · missing LiveBench · full-core range 42.8–76.2 | UnrankedNot in the 57-model eligible cohort |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $1.25Xai ↗ · Sep 3, 2026 | $1.25Xai ↗ · Sep 3, 2026 |
| Output priceFrom · USD / 1M tokens | $2.50Xai ↗ · Sep 3, 2026 | $2.50Xai ↗ · Sep 3, 2026 |
| Context windowMaximum documented tokens | 1,000K | 1,000K |
| Model facts checked | Aug 29, 2026View model evidence → | Sep 3, 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 | Grok 4.20 Multi-Agent | Grok 4.3 |
|---|---|---|
| LMArena Search Arenasearch-2026-10-13-a64ca3b12b6e · arena_rating · leader | 1,204.80100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1199.36322528, 1210.23649279]; votes 126238; rank 18 | 1,165.8197% of row best · rating · grok-4.3; 95% CI [1161.07351221, 1170.53848666]; votes 128393; rank 30 |
| LMArena Text Arenatext-2026-10-15-a64ca3b12b6e · arena_rating · leader | 1,450.27100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1446.59423552, 1453.95404223]; votes 64946; rank 52 | 1,396.9296% of row best · rating · grok-4.3; 95% CI [1393.31445966, 1400.53298228]; votes 71347; rank 158 |
| LMArena Vision Arenavision-2026-10-09-a64ca3b12b6e · arena_rating · leader | 1,258.97100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1252.84769478, 1265.09117861]; votes 24543; rank 57 | 1,229.2498% of row best · rating · grok-4.3; 95% CI [1223.34663531, 1235.13960477]; votes 27037; rank 78 |
| Overall ResultCounted from the protocol-matched rows above | 3 benchmark winsNo overall winner | 0 benchmark winsNo 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 | Grok 4.20 Multi-Agent | Grok 4.3 |
|---|---|---|
| Developer | xAI | xAI |
| Family | Grok 4 20 | Grok 4 |
| Model | Grok 4.20 Multi-Agent | Grok 4.3 |
| Version | Grok 4.20 Multi-Agent | Grok 4.3 |
| Lifecycle | preview | active |
| Released | Unknown | 2026-06-17 |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,000K | 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 | Xai (Standard) | Xai (Standard) |
| Capabilities | generation, reasoning, research, tools | chat, generation, reasoning, structured_outputs, tools |
Grok 4.20 Multi Agent Capabilities
Grok 4.3 Capabilities
Related Comparisons
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| vs | Grok 4.6xAI | family variantsimage, text | |
| vs | family variantsimage, text | ||
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Claude Opus 4.8Anthropic | vs | cross-developer peersimage, text | |
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Gemini Deep Research MaxGoogle DeepMind | vs | cross-developer peerstext | |
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GPT-5.1OpenAI | vs | cross-developer peersimage, text | |
GPT-5.4 ProOpenAI | vs | cross-developer peersimage, text | |
| vs | Grok 4.5xAI | family variantsimage, text |
Primary Evidence
Sources and Freshness
Questions
Grok 4.20 Multi Agent vs Grok 4.3 FAQs
Is Grok 4.20 Multi Agent or Grok 4.3 better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Grok 4.20 Multi Agent and Grok 4.3, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Grok 4.20 Multi Agent or Grok 4.3?+
Grok 4.20 Multi Agent is $1.25 and Grok 4.3 is $1.25 per million tokens, so they are tied on this metric. Grok 4.20 Multi Agent is $2.50 and Grok 4.3 is $2.50 per million tokens, so they are tied on this metric.
Which has a larger context window, Grok 4.20 Multi Agent or Grok 4.3?+
Both models have the same sourced context window: 1,000,000 tokens each.
Which performs better in benchmarks, Grok 4.20 Multi Agent or Grok 4.3?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can Grok 4.20 Multi Agent or Grok 4.3 be self-hosted?+
Both models have the same sourced self-hosting status: unsupported. Grok 4.20 Multi Agent is not marked open weight; Grok 4.3 is not marked open weight.
Can Grok 4.20 Multi Agent and Grok 4.3 understand images?+
Grok 4.20 Multi Agent is documented with image input; Grok 4.3 is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Grok 4.20 Multi Agent or Grok 4.3?+
Neither model has a sourced maximum output in this comparison, so a larger limit cannot be determined.
Do Grok 4.20 Multi Agent and Grok 4.3 support reasoning and tool use?+
Grok 4.20 Multi Agent: reasoning, tool calling, and image input. Grok 4.3: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Grok 4.20 Multi Agent or Grok 4.3?+
Grok 4.20 Multi Agent has 1 sourced provider route; Grok 4.3 has 1, a tie.
Which offers better value, Grok 4.20 Multi Agent or Grok 4.3?+
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.