API cost decision in 10 seconds

Grok 4.20 Multi-Agent vs GPT-5.4 Pro

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

Page updated:  Data confirmed:  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 $120 for GPT-5.4 Pro, saving $115 (95.8% lower).

Cost-first pickGrok 4.20 Multi-Agent
Context-first pickGrok 4.20 Multi-Agent
Sample savings$11595.8%
10x traffic gap$1150

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 $1150. 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-AgentGPT-5.4 Pro
Input-heavy / RAG5M input + 500K outputGrok 4.20 Multi-Agent$13$240
Balanced workload1M input + 1M outputGrok 4.20 Multi-Agent$8$210
Output-heavy chatbot1M input + 5M outputGrok 4.20 Multi-Agent$32$930
Cheaper input Grok 4.20 Multi-Agent $2 vs $30 / 1M

Grok 4.20 Multi-Agent is $28 cheaper per 1M input tokens (93.3% lower; 15x difference).

Cheaper output Grok 4.20 Multi-Agent $6 vs $180 / 1M

Grok 4.20 Multi-Agent is $174 cheaper per 1M output tokens (96.7% lower; 30x difference).

Larger context Grok 4.20 Multi-Agent 2M vs 1.05M

Grok 4.20 Multi-Agent has 950K more context (1.9x larger).

Sample workload Grok 4.20 Multi-Agent $5 vs $120

Grok 4.20 Multi-Agent is $115 cheaper on the standard workload (95.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Grok 4.20 Multi-Agent Calculating… Estimated API cost
GPT-5.4 Pro Calculating… Estimated API cost
Cheaper for this workload Calculating… 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; Grok 4.20 Multi-Agent offers the larger context window. For the 1M input plus 500K output sample, Grok 4.20 Multi-Agent is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $5 for Grok 4.20 Multi-Agent and $120 for GPT-5.4 Pro.

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 GPT-5.4 Pro when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Decision Notes
  • On the standard 1M input plus 500K output workload, Grok 4.20 Multi-Agent is estimated at $5 vs $120 for GPT-5.4 Pro, saving $115 (95.8% lower).
  • Grok 4.20 Multi-Agent is $115 cheaper on the standard workload (95.8% lower).
  • Grok 4.20 Multi-Agent is $28 cheaper per 1M input tokens (93.3% lower; 15x difference).
  • Grok 4.20 Multi-Agent is $174 cheaper per 1M output tokens (96.7% lower; 30x difference).
  • Grok 4.20 Multi-Agent has 950K more context (1.9x larger).
Head-to-Head Specs
FeatureGrok 4.20 Multi-Agent
(xAI)		GPT-5.4 Pro
(OpenAI)
Input Price
prompt tokens per 1M		$2$30
Completion Price
per 1M tokens		$6$180
Sample Workload Cost
1M input + 500K output		$5$120
Context Window2M1.05M
Release Date

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 $120 for GPT-5.4 Pro, saving $115 (95.8% lower).
High-volume input processingGrok 4.20 Multi-AgentLower prompt-token price matters most when prompts, retrieved passages, or documents 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, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Grok Build 0.1 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.
  • Grok 4.3 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.5.
  • Grok 4.20 can replace Grok 4.20 Multi-Agent when lower sample workload cost matters most: $2.5.
  • gpt-oss-120b (free) can replace GPT-5.4 Pro when lower sample workload cost matters most: $0.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

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Larger context alternatives

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Provider catalogs

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xAI catalog

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OpenAI catalog

Check other OpenAI models with comparable pricing, context, or release timing.

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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...

GPT-5.4 Pro

GPT-5.4 Pro is OpenAI's most advanced model, building on GPT-5.4's unified architecture with enhanced reasoning capabilities for complex, high-stakes tasks. It features a 1M+ token context window (922K input, 128K...