Grok 4.20 Multi-Agent is $0.5 cheaper per 1M input tokens (20% lower; 1.25x difference).
API cost decision in 10 seconds
Grok 4.20 Multi-Agent vs GPT-5.4
Pick Grok 4.20 Multi-Agent when budget and context both matter.
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 for GPT-5.4, saving $5 (50% lower).
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 $50. Use the calculator below to replace the sample workload with your own token volume.
Cost sensitivity
Workload Sensitivity
Grok 4.20 Multi-Agent stays cheaper across input-heavy, balanced, and output-heavy sample workloads.
| Workload shape | Token mix | Better pick | Grok 4.20 Multi-Agent | GPT-5.4 |
|---|---|---|---|---|
| Input-heavy / RAG | 5M input + 500K output | Grok 4.20 Multi-Agent | $13 | $20 |
| Balanced workload | 1M input + 1M output | Grok 4.20 Multi-Agent | $8 | $17.5 |
| Output-heavy chatbot | 1M input + 5M output | Grok 4.20 Multi-Agent | $32 | $77.5 |
Grok 4.20 Multi-Agent is $9 cheaper per 1M output tokens (60% lower; 2.5x difference).
Grok 4.20 Multi-Agent has 950K more context (1.9x larger).
Grok 4.20 Multi-Agent is $5 cheaper on the standard workload (50% lower).
Estimate your workload cost
Your Workload Cost
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
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 $10 for GPT-5.4.
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 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.
- On the standard 1M input plus 500K output workload, Grok 4.20 Multi-Agent is estimated at $5 vs $10 for GPT-5.4, saving $5 (50% lower).
- Grok 4.20 Multi-Agent is $5 cheaper on the standard workload (50% lower).
- Grok 4.20 Multi-Agent is $0.5 cheaper per 1M input tokens (20% lower; 1.25x difference).
- Grok 4.20 Multi-Agent is $9 cheaper per 1M output tokens (60% lower; 2.5x difference).
- Grok 4.20 Multi-Agent has 950K more context (1.9x larger).
| Feature | Grok 4.20 Multi-Agent (xAI) | GPT-5.4 (OpenAI) |
|---|---|---|
| Input Price prompt tokens per 1M | $2 | $2.5 |
| Completion Price per 1M tokens | $6 | $15 |
| Sample Workload Cost 1M input + 500K output | $5 | $10 |
| Context Window | 2M | 1.05M |
| Release Date |
Use-Case Decision Matrix
| Use case | Better pick | Why |
|---|---|---|
| Budget-constrained production | Grok 4.20 Multi-Agent | On the standard 1M input plus 500K output workload, Grok 4.20 Multi-Agent is estimated at $5 vs $10 for GPT-5.4, saving $5 (50% lower). |
| High-volume input processing | Grok 4.20 Multi-Agent | Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill. |
| Long responses and chatbots | Grok 4.20 Multi-Agent | Lower output-token price matters most when assistants generate many completion tokens. |
| RAG or long-document work | Grok 4.20 Multi-Agent | A larger context window leaves more room for retrieved passages, conversation history, or source files. |
Related Alternatives
- 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 when lower sample workload cost matters most: $0.
- Llama 4 Scout offers 10M context with $0.23 sample workload cost.
- No popular competitor is currently available.
Cheaper alternatives
Review low-cost models sorted by a standard 1M input plus 500K output workload.
Open cheapest modelsLarger context alternatives
Find models with larger context windows for RAG, long documents, and codebase review.
Open largest context modelsProvider catalogs
Compare models within provider hubs before choosing a final API vendor.
Open provider hubsxAI catalog
Review all tracked xAI models before deciding whether this matchup is the right shortlist.
Open xAI modelsOpenAI catalog
Check other OpenAI models with comparable pricing, context, or release timing.
Open OpenAI modelsGrok 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 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...