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Mistral Medium 3.1 (batch) vs Grok 4.20

vs
Grok 4.20

xAI

89#34
Signal-by-Signal Comparison
SignalMistral Medium 3.1 (batch)DeltaGrok 4.20
Capabilities
67
-33
100
Pricing
98
+1
98
Context window size
81
-19
100
Recency
64
-36
100
Output Capacity
80
-20
100
Benchmarks
0
-86
86
Overall Result
1 wins
of 6
5 wins
Grok 4.20 wins 5 of 6 signals

Score History

Score History (4 data points)
Mistral Medium 3.1 (batch)Grok 4.20
Mistral Medium 3.1 (batch)

40

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)

Mistral Medium 3.1 (batch)

Mistral AI

Best Value
Per request$0.001400
Daily$4.67
Monthly$140.00
Annual$1680.00

Grok 4.20

xAI

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

Mistral Medium 3.1 (batch) saves you $110.00/month

That's $1320.00/year compared to Grok 4.20 at your current usage level of 100K calls/month.

44% cheaper
Choose Mistral Medium 3.1 (batch) for cost optimization

Mistral Medium 3.1 (batch) pricing:
Input:$0.40/M tokens
Output:$2.00/M tokens
Grok 4.20 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
Mistral Medium 3.1 (batch)

Mistral AI

40

Composite Score

Winner
Grok 4.20

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricMistral Medium 3.1 (batch)Grok 4.20Winner
Overall Score
40
89
Grok 4.20
Rank#312#34
Grok 4.20
Quality Rank#312#34
Grok 4.20
Adoption Rank#312#34
Grok 4.20
Parameters------
Context Window131K2000K
Grok 4.20
Pricing$0.40/$2.00/M$1.25/$2.50/M--
Signal Scores
Capabilities
67
100
Grok 4.20
Pricing
98
98
Mistral Medium 3.1 (batch)
Context window size
81
100
Grok 4.20
Recency
64
100
Grok 4.20
Output Capacity
80
100
Grok 4.20
Benchmarks--
86
Grok 4.20
Benchmark Head-to-Head(12 benchmarks)
Mistral Medium: 0Grok 4.20: 0
Mistral Medium
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
-1462
LiveBench
-73%
HLE
4.52%-
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.

Mistral Medium 3.1 (batch)Entry Level

Scores 40/100 (rank #312), placing it in the top -7% of all 290 models tracked.

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

Scores 89/100 (rank #34), placing it in the top 89% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.20 has a 49-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose Mistral Medium 3.1 (batch) when you need:

  • Budget-friendly applications with moderate quality requirements

Choose Grok 4.20 when you need:

  • Processing long documents or large codebases (2000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
Mistral Medium 3.1 (batch)
Input cost$0.40/M tokens
Output cost$2.00/M tokens
Cost per quality point$0.060
Est. monthly (1M tokens/day)$36.00
Grok 4.20Best Value
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

Grok 4.20 offers 36% better value per quality point. At 1M tokens/day, you'd spend $36.00/month with Mistral Medium 3.1 (batch) vs $56.25/month with Grok 4.20 - a $20.25 monthly difference.

Latency & Speed
Mistral Medium 3.1 (batch)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

Mistral Medium 3.1 (batch)

Customer support chatbot

Suitable for user-facing chat with competitive response times. Mistral Medium 3.1 (batch) also offers lower per-token costs for high-volume support

Mistral Medium 3.1 (batch)

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 ($2.00/M) reduces costs when processing thousands of records daily

Mistral Medium 3.1 (batch)

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

Mistral Medium 3.1 (batch)
Which Should You Choose?
Our recommendation:
Grok 4.20

Grok 4.20 clearly outperforms Mistral Medium 3.1 (batch) with a significant 48.8-point lead. For most general use cases, Grok 4.20 is the stronger choice. However, Mistral Medium 3.1 (batch) may still excel in niche scenarios.

by Mistral AI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 36% 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
CapabilityMistral Medium 3.1 (batch)Grok 4.20
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Searchdiffers
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

Mistral Medium 3.1 (batch)

Mistral AI

Best Value
$3.12
estimated monthly cost

Grok 4.20

xAI

$5.25
estimated monthly cost

Mistral Medium 3.1 (batch) saves you $2.13/month

That's 41% 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
ParameterMistral Medium 3.1 (batch)Grok 4.20
Context Window131K2M
Max Output Tokens104,8571,800,000
Open SourceNoNo
CreatedAug 13, 2025Mar 31, 2026
Last updated: 34m ago

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Mistral Medium 3.1 (batch) vs Grok 4.20 (2026) | LM Market Cap