Alternatives · 15 models compared · checked 17 Aug 2026
Grok 4.20 Multi-Agent alternatives: 15 models in or near grid E6
The closest model to Grok 4.20 Multi-Agent on the atlas is Grok 4.20, in the same square, at $1.25 per 1M input tokens against Grok 4.20 Multi-Agent’s . None of the nearest models is cheaper on input. We rank by position on the atlas, not by capability, because we hold no capability data.
$1.25
observed We measured
- Source
- Our catalogue
- Retrieved
- 17 Aug 2026
Ask an AI about this pageGChatGPTCClaudePPerplexityGeGeminiXGrok
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Cite this page
ModelsAtlas. “Grok 4.20 Multi-Agent alternatives: 15 models in or near grid E6”. Retrieved 17 Aug 2026. https://modelsatlas.com/models/xai/grok-4-20-multi-agent/alternatives
Where the alternatives sit
Each square is a price band (A–H) × a context band (1–6). How the grid works
Same squareGRIDE66 modelsGPT-5.4, GPT-5.6 Sol, GPT-5.6 Terra and 3 more
Grok 4.20 Multi-AgentIts 15 nearest modelsOther modelsOpen weights
View the map as a table (2 squares)
| Square | Price band | Context band | Models |
|---|---|---|---|
| GRIDE5 | $1–3 | 1M | Gemini 2.5 Pro Preview 06-05, Grok 4.3, Muse Spark 1.1, Muse Spark 1.2, Muse Spark 1.3, Gemini 3.5 Flash, Claude Sonnet 5, Claude Sonnet 5.5, Gemini 3.1 Pro Preview |
| GRIDE6 | $1–3 | >1M | Grok 4.20 Multi-Agent, Grok 4.20, GPT-5.6 Sol, GPT-5.6 Terra, GPT-6 Sol, GPT-6.1 Sol, GPT-5.4 |
Top 15 alternatives
Ranked by steps away on the atlas, then cheaper before pricier, then input price
| # | Model | Grid | Why it fits | Input / 1M | vs Grok 4.20 Multi-Agent | Output / 1M | Context | |
|---|---|---|---|---|---|---|---|---|
| — | Grok 4.20 Multi-AgentxAI · the model you’re replacing | GRIDE6 | Baseline | $1.25 | — | $2.50 | 2M | |
| 1 | Grok 4.20xAI | GRIDE6 | Same maker, same square, same input price | $1.25 | same | $2.50 | 2M | Compare → |
| 2 | GPT-5.6 SolOpenAI | GRIDE6 | Same square, 60% pricier input | $2.00 | +60% | $10.00 | 1.05M | Compare → |
| 3 | GPT-5.6 TerraOpenAI | GRIDE6 | Same square, 60% pricier input | $2.00 | +60% | $12.00 | 1.05M | Compare → |
| 4 | GPT-6 SolOpenAI | GRIDE6 | Same square, 60% pricier input | $2.00 | +60% | $10.00 | 1.05M | Compare → |
| 5 | GPT-6.1 SolOpenAI | GRIDE6 | Same square, 60% pricier input | $2.00 | +60% | $10.00 | 1.05M | Compare → |
| 6 | GPT-5.4OpenAI | GRIDE6 | Same square, 100% pricier input | $2.50 | +100% | $15.00 | 1.05M | Compare → |
| 7 | Gemini 2.5 Pro Preview 06-05Google | GRIDE5 | Neighbouring square E5, same input price | $1.25 | same | $10.00 | 1.05M | |
| 8 | Grok 4.3xAI | GRIDE5 | Same maker, neighbouring square E5, same input price | $1.25 | same | $2.50 | 1M | |
| 9 | Muse Spark 1.1Meta | GRIDE5 | Neighbouring square E5, same input price | $1.25 | same | $4.25 | 1.05M | |
| 10 | Muse Spark 1.2Meta | GRIDE5 | Neighbouring square E5, same input price | $1.25 | same | $4.25 | 1.05M | |
| 11 | Muse Spark 1.3Meta | GRIDE5 | Neighbouring square E5, same input price | $1.25 | same | $4.25 | 1.05M | |
| 12 | Gemini 3.5 FlashGoogle | GRIDE5 | Neighbouring square E5, 20% pricier input | $1.50 | +20% | $9.00 | 1.05M | |
| 13 | Claude Sonnet 5Anthropic | GRIDE5 | Neighbouring square E5, 60% pricier input | $2.00 | +60% | $10.00 | 1M | |
| 14 | Claude Sonnet 5.5Anthropic | GRIDE5 | Neighbouring square E5, 60% pricier input | $2.00 | +60% | $10.00 | 1M | |
| 15 | Gemini 3.1 Pro PreviewGoogle | GRIDE5 | Neighbouring square E5, 60% pricier input | $2.00 | +60% | $12.00 | 1.05M |
Free alternatives
| Model | Input / 1M | Context | |
|---|---|---|---|
| Lyria 3 Clip PreviewGoogle | Free | 1.05M | |
| Lyria 3 Pro PreviewGoogle | Free | 1.05M |
Compare Grok 4.20 Multi-Agent head to head
Questions
What is the best alternative to Grok 4.20 Multi-Agent?
Grok 4.20 ranks first: same maker, same square, same input price. Input is $1.25 per 1M tokens against $1.25 for Grok 4.20 Multi-Agent. Ranking is by position on the atlas, not by quality.
What is the cheapest alternative to Grok 4.20 Multi-Agent?
None of the 15 closest models is cheaper on input than Grok 4.20 Multi-Agent's $1.25.
Is there an open-weight alternative to Grok 4.20 Multi-Agent?
None of the 15 closest is marked open-weight in our records.
Which alternative has a larger context window?
None of the 15 closest holds more than Grok 4.20 Multi-Agent's 2M.
How are alternatives ranked?
By distance on the atlas grid from Grok 4.20 Multi-Agent's square E6: the same square first, then neighbouring squares. Within the same distance, cheaper models come before pricier ones, then the lowest input price wins. We hold no capability data, so we do not claim a model can do what Grok 4.20 Multi-Agent does, only that it costs and holds about the same. No vendor pays for position.
More alternatives
Keep going in your AI
Opens with this page as the source. We add nothing else to the prompt.
- What is the best alternative to Grok 4.20 Multi-Agent?
- What is the cheapest alternative to Grok 4.20 Multi-Agent?
- Is there an open-weight alternative to Grok 4.20 Multi-Agent?