MiniMax-M3 vs Grok 4.20 Multi-Agent
Benchmark Performance
Available Benchmarks
| Benchmark | MiniMax-M3 | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text Arenatext-2026-09-01-011508720696 · arena_rating · leader | 1,435.2099% of row best · rating · minimax-m3; 95% CI [1430.86827835, 1439.53977389]; votes 44544; rank 77 | 1,450.22100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1446.44654530, 1453.99996127]; votes 60845; rank 43 |
| LMArena Vision Arenavision-2026-08-27-011508720696 · arena_rating · statistical tie | 1,255.42100% of row best · rating · minimax-m3; 95% CI [1247.93588333, 1262.90862002]; votes 13390; rank 44 | 1,259.97100% of row best · rating · grok-4.20-multi-agent-beta-0309; 95% CI [1253.56879963, 1266.36768970]; votes 22988; rank 42 |
| Overall ResultCounted from the protocol-matched rows above · 1 tie | 0 benchmark wins | 1 benchmark winOverall lead |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Technical Differences
Side-by-Side Facts
| Field | MiniMax-M3 | Grok 4.20 Multi-Agent |
|---|---|---|
| Developer | MiniMax | xAI |
| Family | Minimax M3 | Grok 4 20 |
| Model | MiniMax-M3 | Grok 4.20 Multi-Agent |
| Version | MiniMax-M3 | Grok 4.20 Multi-Agent |
| Lifecycle | active | preview |
| Released | 2026-06-01 | Unknown |
| Knowledge cutoff | Unknown | Unknown |
| Input modalities | Text, Image | Text, Image |
| Output modalities | Text | Text |
| Context window | 1,048,576 | 1,000,000 |
| Total parameters | 427,040,140,160 | Unknown |
| Active parameters | 23,000,000,000 | Unknown |
| License | other | Unknown |
| Open weights | Yes | No |
| API available | Yes | Yes |
| Self-hostable | Yes | No |
| Provider access | Deepinfra (Standard), Openrouter (Standard) | xAI (Standard) |
| Capabilities | chat, generation, reasoning, tools | generation, reasoning, research, tools |
13 comparable fields · 10 material differences · Pair passes the primary-source comparison gate
MiniMax-M3 Capabilities
Grok 4.20 Multi-Agent Capabilities
Internal Comparison Graph
Related Comparisons
| A | Pair | B | Context |
|---|---|---|---|
MiniMax-M3MiniMax | vs |  Hy4 previewTencent | cross-developer peerstext |
| vs | Grok 4.6xAI | family variantsimage, text | |
MiniMax-M3MiniMax | vs |  Mistral-Small-4-119B-2603Mistral AI | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs | cross-developer peersimage, text | |
MiniMax-M3MiniMax | vs | cross-developer peersimage, text | |
MiniMax-M3MiniMax | vs | Claude Fable 5Anthropic | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs | Claude Opus 4.8Anthropic | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs | Claude Opus 5Anthropic | cross-developer peersimage, text |
MiniMax-M3MiniMax | vs | Claude Sonnet 5Anthropic | cross-developer peersimage, text |
Claude Fable 5Anthropic | vs | cross-developer peersimage, text | |
Claude Fable 5.1Anthropic | vs | cross-developer peersimage, text | |
Claude Mythos 5.1Anthropic | vs | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
MiniMax-M3 vs Grok 4.20 Multi-Agent FAQs
Is MiniMax-M3 or Grok 4.20 Multi-Agent better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both MiniMax-M3 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, MiniMax-M3 or Grok 4.20 Multi-Agent?+
MiniMax-M3 is $0.28 and Grok 4.20 Multi-Agent is $1.25 per million tokens, so MiniMax-M3 is cheaper on this metric. MiniMax-M3 is $1.10 and Grok 4.20 Multi-Agent is $2.50 per million tokens, so MiniMax-M3 is cheaper on this metric.
Which has a larger context window, MiniMax-M3 or Grok 4.20 Multi-Agent?+
MiniMax-M3 has the larger sourced context window. MiniMax-M3 supports 1,048,576 and Grok 4.20 Multi-Agent supports 1,000,000.
Which performs better in benchmarks, MiniMax-M3 or Grok 4.20 Multi-Agent?+
There is no overall benchmark winner: An overall winner requires at least two decisive benchmarks from at least two original publishers.
Can MiniMax-M3 or Grok 4.20 Multi-Agent be self-hosted?+
MiniMax-M3 is the only model in this pair currently marked as self-hostable. MiniMax-M3 is open weight; Grok 4.20 Multi-Agent is not marked open weight.
Can MiniMax-M3 and Grok 4.20 Multi-Agent understand images?+
MiniMax-M3 is 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, MiniMax-M3 or Grok 4.20 Multi-Agent?+
Neither has a larger sourced maximum output. MiniMax-M3 is — and Grok 4.20 Multi-Agent is —.
Do MiniMax-M3 and Grok 4.20 Multi-Agent support reasoning and tool use?+
MiniMax-M3: reasoning, tool calling, and image input. 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, MiniMax-M3 or Grok 4.20 Multi-Agent?+
MiniMax-M3 has 2 sourced provider routes; Grok 4.20 Multi-Agent has 1, so MiniMax-M3 has broader tracked availability.
Which offers better value, MiniMax-M3 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.