Skip to content

GPT-4.1 vs Grok 4.20

GPT-4.1

OpenAI

68#127
vs
Grok 4.20

xAI

89#29
Signal-by-Signal Comparison
SignalGPT-4.1DeltaGrok 4.20
Capabilities
83
-17
100
Benchmarks
70
-16
86
Pricing
92
-5
98
Context window size
96
-4
100
Recency
47
-53
100
Output Capacity
75
+55
20
Overall Result
1 wins
of 6
5 wins
Grok 4.20 wins 5 of 6 signals

Score History

Score History (24 data points)
GPT-4.1Grok 4.20
GPT-4.1

67.7

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)

GPT-4.1

OpenAI

Per request$0.006000
Daily$20.00
Monthly$600.00
Annual$7200.00

Grok 4.20

xAI

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

Grok 4.20 saves you $350.00/month

That's $4200.00/year compared to GPT-4.1 at your current usage level of 100K calls/month.

58% cheaper
Choose Grok 4.20 for cost optimization

GPT-4.1 pricing:
Input:$2.00/M tokens
Output:$8.00/M tokens
Grok 4.20 pricing:
Input:$1.25/M tokens
Output:$2.50/M tokens
GPT-4.1

OpenAI

68

Composite Score

Winner
Grok 4.20

xAI

89

Composite Score

Signal-by-Signal Comparison
MetricGPT-4.1Grok 4.20Winner
Overall Score
68
89
Grok 4.20
Rank#127#29
Grok 4.20
Quality Rank#127#29
Grok 4.20
Adoption Rank#127#29
Grok 4.20
Parameters------
Context Window1048K2000K
Grok 4.20
Pricing$2.00/$8.00/M$1.25/$2.50/M--
Signal Scores
Capabilities
83
100
Grok 4.20
Benchmarks
70
86
Grok 4.20
Pricing
92
98
Grok 4.20
Context window size
96
100
Grok 4.20
Recency
47
100
Grok 4.20
Output Capacity
75
20
GPT-4.1
Benchmark Head-to-Head(13 benchmarks)
GPT-4.1: 0Grok 4.20: 10
GPT-4.1
Grok 4.20
Normalized 0-100%
MMLU
89.2%91.5%
MMLU-Pro
81.8%83.5%
GPQA Diamond
56%82%
MATH-500
78.5%95%
HumanEval
91.5%95.5%
SWE-bench Verified
54.6%70%
AIME 2024
-88%
IFEval
88.2%91%
BBH
84%90%
Arena Elo
13001462
LiveBench
64.5%73%
HLE
5.4%-
BigCodeBench
31.8%-
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.

GPT-4.1Competitive

Scores 68/100 (rank #127), placing it in the top 57% of all 290 models tracked.

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

Scores 89/100 (rank #29), placing it in the top 90% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

Grok 4.20 has a 21-point advantage, which typically translates to noticeably stronger performance on complex reasoning, code generation, and multi-step tasks.

When to Use Each Model

Choose GPT-4.1 when you need:

  • Budget-friendly applications with moderate quality requirements

Choose Grok 4.20 when you need:

  • High-volume production workloads where API costs must be minimized
  • Processing long documents or large codebases (2000K token context)
  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-4.1
Input cost$2.00/M tokens
Output cost$8.00/M tokens
Cost per quality point$0.148
Est. monthly (1M tokens/day)$150.00
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 63% better value per quality point. At 1M tokens/day, you'd spend $56.25/month with Grok 4.20 vs $150.00/month with GPT-4.1 - a $93.75 monthly difference.

Latency & Speed
GPT-4.1Faster
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

GPT-4.1

Customer support chatbot

Suitable for user-facing chat with competitive response times. Grok 4.20 also offers lower per-token costs for high-volume support

GPT-4.1

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 ($2.50/M) reduces costs when processing thousands of records daily

Grok 4.20

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

GPT-4.1
Which Should You Choose?
Our recommendation:
Grok 4.20

Grok 4.20 clearly outperforms GPT-4.1 with a significant 21.099999999999994-point lead. For most general use cases, Grok 4.20 is the stronger choice. However, GPT-4.1 may still excel in niche scenarios.

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • 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

  • Choose for Cost - 63% lower pricing; better value at scale
Capability Comparison
CapabilityGPT-4.1Grok 4.20
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoningdiffers
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-4.1

OpenAI

$13.20
estimated monthly cost

Grok 4.20

xAI

Best Value
$5.25
estimated monthly cost

Grok 4.20 saves you $7.95/month

That's 60% cheaper than GPT-4.1 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
ParameterGPT-4.1Grok 4.20
Context Window1.0M2M
Max Output Tokens32,768--
Open SourceNoNo
CreatedApr 14, 2025Mar 31, 2026
Last updated: 55m ago

Related comparisons

GPT-4.1 vs Grok 4.20 (2026) | LM Market Cap