API cost decision in 10 seconds

Grok 4.20 vs 🔥MiniMax M2.7

Pick MiniMax M2.7 for lower cost; pick Grok 4.20 only if the larger context window matters more.

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

Budget verdict

Pick MiniMax M2.7 for lower cost; pick Grok 4.20 only if the larger context window matters more.

On the standard 1M input plus 500K output workload, MiniMax M2.7 is estimated at $0.88 vs $2.5 for Grok 4.20, saving $1.62 (64.8% lower).

Cost-first pickMiniMax M2.7
Context-first pickGrok 4.20
Sample savings$1.6264.8%
10x traffic gap$16.21

Grok 4.20 has more context, but MiniMax M2.7 saves $1.62 on the standard workload. At 10x that traffic, the same price gap is about $16.21. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

MiniMax M2.7 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickGrok 4.20MiniMax M2.7
Input-heavy / RAG 5M input + 500K output MiniMax M2.7 $7.5 $2
Balanced workload 1M input + 1M output MiniMax M2.7 $3.75 $1.48
Output-heavy chatbot 1M input + 5M output MiniMax M2.7 $13.75 $6.28
Cheaper inputMiniMax M2.7$1.25 vs $0.28 / 1M
Cheaper outputMiniMax M2.7$2.5 vs $1.2 / 1M
Larger contextGrok 4.202M vs 204.8K
Sample workloadMiniMax M2.7$2.5 vs $0.88

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Grok 4.20Calculating…Estimated API cost
MiniMax M2.7Calculating…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

MiniMax M2.7 has the lower input price, MiniMax M2.7 has the lower output price, and Grok 4.20 offers the larger context window.

For a 1M input token plus 500K output token workload, the estimated API cost is $2.5 for Grok 4.20 and $0.88 for MiniMax M2.7.

Best Fit

Choose Grok 4.20 when you care most about larger context window.

Choose MiniMax M2.7 when you care most about lower input-token price, and lower output-token price.

Head-to-Head Specs
FeatureGrok 4.20
(xAI)		🔥MiniMax M2.7
(MiniMax)
Input Price
prompt tokens per 1M		$1.25$0.28
Completion Price
per 1M tokens		$2.5$1.2
Sample Workload Cost
1M input + 500K output		$2.5$0.88
Context Window2M204.8K
Release Date2026-03-312026-03-18
Popularity#14
Grok 4.20

Grok 4.20 is a reasoning model from xAI with industry-leading speed and agentic tool calling capabilities. It combines the lowest hallucination rate on the market with strict prompt adherance, delivering...

MiniMax M2.7

MiniMax-M2.7 is a next-generation large language model designed for autonomous, real-world productivity and continuous improvement. Built to actively participate in its own evolution, M2.7 integrates advanced agentic capabilities through multi-agent...

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionMiniMax M2.7On the standard 1M input plus 500K output workload, MiniMax M2.7 is estimated at $0.88 vs $2.5 for Grok 4.20, saving $1.62 (64.8% lower).
High-volume input processingMiniMax M2.7Lower prompt-token price matters most when prompts or retrieved passages dominate the bill.
Long responses and chatbotsMiniMax M2.7Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workGrok 4.20A larger context window leaves more room for retrieved passages and source files.