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MiniMax M2.7 (free) vs Grok 4.20

MiniMax M2.7 (free)

MiniMax

70#161
vs
Grok 4.20

xAI

89#46
Signal-by-Signal Comparison
SignalMiniMax M2.7 (free)DeltaGrok 4.20
Capabilities
67
-33
100
Benchmarks
69
-17
86
Pricing
100
+3
98
Context window size
84
-16
100
Recency
100
--
100
Output Capacity
84
-16
100
Overall Result
1 wins
of 6
4 wins
Grok 4.20 wins 4 of 6 signals

Score History

Score History (4 data points)
MiniMax M2.7 (free)Grok 4.20
MiniMax M2.7 (free)

69.5

current score

Leader

Grok 4.20

right now

Grok 4.20

88.8

current score

LMMarketCap.com
Interactive Price Comparison
100Kcalls/month
1,000tokens (~1,333 chars)
500tokens (~667 chars)

MiniMax M2.7 (free)

MiniMax

Best Value
Per request$0.000000
Daily$0.00
Monthly$0.00
Annual$0.00

Grok 4.20

xAI

Per request$0.002500
Daily$8.33
Monthly$250.00
Annual$3000.00

MiniMax M2.7 (free) saves you $250.00/month

That's $3000.00/year compared to Grok 4.20 at your current usage level of 100K calls/month.

100% cheaper
Choose MiniMax M2.7 (free) for cost optimization

MiniMax M2.7 (free) pricing:
Input:$0.00/M tokens
Output:$0.00/M tokens
Grok 4.20 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
MiniMax M2.7 (free)

MiniMax

70

Composite Score

Winner
Grok 4.20

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricMiniMax M2.7 (free)Grok 4.20Winner
Overall Score
70
89
Grok 4.20
Rank#161#46
Grok 4.20
Quality Rank#161#46
Grok 4.20
Adoption Rank#161#46
Grok 4.20
Parameters------
Context Window197K2000K
Grok 4.20
PricingFree$1.25/$2.50/M--
Signal Scores
Capabilities
67
100
Grok 4.20
Benchmarks
69
86
Grok 4.20
Pricing
100
98
MiniMax M2.7 (free)
Context window size
84
100
Grok 4.20
Recency
100
100
MiniMax M2.7 (free)
Output Capacity
84
100
Grok 4.20
Benchmark Head-to-Head(11 benchmarks)
MiniMax M2.7: 0Grok 4.20: 1
MiniMax M2.7
Grok 4.20
Normalized 0-100%
MMLU
-91.5%
MMLU-Pro
-83.5%
GPQA Diamond
-82%
MATH-500
-95%
HumanEval
-95.5%
SWE-bench Verified
-70%
AIME 2024
-88%
IFEval
-91%
BBH
-90%
Arena Elo
14161462
LiveBench
-73%
Benchmark Interpretation

Our score (0-100) is driven by benchmark performance (90%) from Arena Elo ratings, MMLU, GPQA, HumanEval, SWE-bench, and 15+ standardized evaluations. Capabilities and context window serve as tiebreakers (10%). Learn more about our methodology.

MiniMax M2.7 (free)Competitive

Scores 70/100 (rank #161), placing it in the top 45% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok 4.20Elite Tier

Scores 89/100 (rank #46), placing it in the top 84% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.20 has a 19-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose MiniMax M2.7 (free) when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving
  • Self-hosted deployments where you need full control over the model

Choose Grok 4.20 when you need:

  • Processing long documents or large codebases (2000K token context)
  • Multimodal workflows that require image understanding
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
MiniMax M2.7 (free)
Input cost$0.00/M tokens
Output cost$0.00/M tokens
Cost per quality point$0.000
Est. monthly (1M tokens/day)$0.00
Grok 4.20
Input cost$1.25/M tokens
Output cost$2.50/M tokens
Cost per quality point$0.042
Est. monthly (1M tokens/day)$56.25

Compare the cost per quality point to find the best value for your specific workload.

Latency & Speed
MiniMax M2.7 (free)Faster
Speed score0/100
Grok 4.20
Speed score0/100

Both models have comparable response speeds. For most applications, the latency difference is negligible.

When latency matters most: Interactive chatbots, IDE code completion, real-time translation, and user-facing applications where response time directly impacts experience. For batch processing, background summarization, or offline analysis, latency is less critical.

Example Use Cases

Code generation & review

Based on overall model capabilities and architecture for coding tasks like generating functions, debugging, and refactoring

MiniMax M2.7 (free)

Customer support chatbot

Suitable for user-facing chat with competitive response times. MiniMax M2.7 (free) also offers lower per-token costs for high-volume support

MiniMax M2.7 (free)

Long document analysis

Larger context window (2000K tokens) can process longer documents, contracts, and research papers in a single pass

Grok 4.20

Batch data extraction

Lower output pricing ($0.00/M) reduces costs when processing thousands of records daily

MiniMax M2.7 (free)

Creative writing & content

Higher overall composite score (89/100) correlates with better nuance, coherence, and style in long-form content

Grok 4.20

Image understanding & OCR

Supports vision input - can analyze screenshots, diagrams, photos, and scanned documents directly

Grok 4.20
Which Should You Choose?
Our recommendation:
Grok 4.20

Grok 4.20 clearly outperforms MiniMax M2.7 (free) with a significant 19.299999999999997-point lead. For most general use cases, Grok 4.20 is the stronger choice. However, MiniMax M2.7 (free) may still excel in niche scenarios.

by MiniMax

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 100% lower pricing; better value at scale
  • Choose for Reliability - Higher uptime and faster response speeds
  • Choose for Prototyping - Stronger community support and better developer experience
  • Choose for Production - Wider enterprise adoption and proven at scale
Grok 4.20
Recommended

by xAI

Consider for specialized use cases.

Capability Comparison
CapabilityMiniMax M2.7 (free)Grok 4.20
Vision (Image Input)differs
Function Calling
Streaming
JSON Mode
Reasoning
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

MiniMax M2.7 (free)

MiniMax

Best Value
$0.000000
estimated monthly cost

Grok 4.20

xAI

$5.25
estimated monthly cost

MiniMax M2.7 (free) saves you $5.25/month

That's 100% cheaper than Grok 4.20 at 1,000 tokens/request and 100 requests/day.

Assumes 60% input / 40% output token ratio per request. Actual costs may vary based on your usage pattern.

Parameters & Context
ParameterMiniMax M2.7 (free)Grok 4.20
Context Window197K2M
Max Output Tokens176,9471,800,000
Open SourceYesNo
CreatedMar 18, 2026Mar 31, 2026
Last updated: 21m ago

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