API cost decision in 10 seconds

Grok 4.20 Multi-Agent vs 🔥Claude Sonnet 4.6

Pick Grok 4.20 Multi-Agent when budget and context both matter.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Grok 4.20 Multi-Agent when budget and context both matter.

On the standard 1M input plus 500K output workload, Grok 4.20 Multi-Agent is estimated at $5 vs $10.5 for Claude Sonnet 4.6, saving $5.5 (52.4% lower).

Cost-first pickGrok 4.20 Multi-Agent
Context-first pickGrok 4.20 Multi-Agent
Sample savings$5.552.4%
10x traffic gap$55

Grok 4.20 Multi-Agent is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $55. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Grok 4.20 Multi-Agent stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGrok 4.20 Multi-AgentClaude Sonnet 4.6
Input-heavy / RAG 5M input + 500K output Grok 4.20 Multi-Agent $13 $22.5
Balanced workload 1M input + 1M output Grok 4.20 Multi-Agent $8 $18
Output-heavy chatbot 1M input + 5M output Grok 4.20 Multi-Agent $32 $78
Cheaper inputGrok 4.20 Multi-Agent$2 vs $3 / 1M
Cheaper outputGrok 4.20 Multi-Agent$6 vs $15 / 1M
Larger contextGrok 4.20 Multi-Agent2M vs 1M
Sample workloadGrok 4.20 Multi-Agent$5 vs $10.5

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Grok 4.20 Multi-AgentCalculating…Estimated API cost
Claude Sonnet 4.6Calculating…Estimated API cost
Cheaper for this workloadCalculating…Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Grok 4.20 Multi-Agent has the lower input price, Grok 4.20 Multi-Agent has the lower output price, and Grok 4.20 Multi-Agent offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Grok 4.20 Multi-Agent and $10.5 for Claude Sonnet 4.6.

Best Fit

Choose Grok 4.20 Multi-Agent when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Claude Sonnet 4.6 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Head-to-Head Specs
FeatureGrok 4.20 Multi-Agent
(xAI)		🔥Claude Sonnet 4.6
(Anthropic)
Input Price
prompt tokens per 1M		$2$3
Completion Price
per 1M tokens		$6$15
Sample Workload Cost
1M input + 500K output		$5$10.5
Context Window2M1M
Release Date2026-03-312026-02-17
Popularity#4
Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is a variant of xAI’s Grok 4.20 designed for collaborative, agent-based workflows. Multiple agents operate in parallel to conduct deep research, coordinate tool use, and synthesize information...

Claude Sonnet 4.6

Sonnet 4.6 is Anthropic's most capable Sonnet-class model yet, with frontier performance across coding, agents, and professional work. It excels at iterative development, complex codebase navigation, end-to-end project management with...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionGrok 4.20 Multi-AgentOn the standard 1M input plus 500K output workload, Grok 4.20 Multi-Agent is estimated at $5 vs $10.5 for Claude Sonnet 4.6, saving $5.5 (52.4% lower).
High-volume input processingGrok 4.20 Multi-AgentLower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsGrok 4.20 Multi-AgentLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGrok 4.20 Multi-AgentA larger context window leaves more room for retrieved passages and source files.