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GPT-5.4 Nano vs Grok Latest

GPT-5.4 Nano

OpenAI

79#50
vs
Grok Latest

~x-ai

40#172
Signal-by-Signal Comparison
SignalGPT-5.4 NanoDeltaGrok Latest
Capabilities
100
--
100
Benchmarks
90
+90
0
Pricing
99
+5
94
Context window size
80
-1
81
Recency
100
--
100
Output Capacity
85
+65
20
Overall Result
3 wins
of 6
1 wins
GPT-5.4 Nano wins 3 of 6 signals

Score History

Score History (17 data points)
GPT-5.4 NanoGrok Latest
GPT-5.4 Nano

78.8

current score

Leader

GPT-5.4 Nano

right now

Grok Latest

40

current score

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

GPT-5.4 Nano

OpenAI

Best Value
Per request$0.000825
Daily$2.75
Monthly$82.50
Annual$990.00

Grok Latest

~x-ai

Per request$0.005000
Daily$16.67
Monthly$500.00
Annual$6000.00

GPT-5.4 Nano saves you $417.50/month

That's $5010.00/year compared to Grok Latest at your current usage level of 100K calls/month.

84% cheaper
Choose GPT-5.4 Nano for cost optimization

GPT-5.4 Nano pricing:
Input:$0.20/M tokens
Output:$1.25/M tokens
Grok Latest pricing:
Input:$2.00/M tokens
Output:$6.00/M tokens
Winner
GPT-5.4 Nano

OpenAI

79

Composite Score

Grok Latest

~x-ai

40

Composite Score

Signal-by-Signal Comparison
MetricGPT-5.4 NanoGrok LatestWinner
Overall Score
79
40
GPT-5.4 Nano
Rank#50#172
GPT-5.4 Nano
Quality Rank#50#172
GPT-5.4 Nano
Adoption Rank#50#172
GPT-5.4 Nano
Parameters------
Context Window400K500K
Grok Latest
Pricing$0.20/$1.25/M$2.00/$6.00/M--
Signal Scores
Capabilities
100
100
GPT-5.4 Nano
Benchmarks
90
--
GPT-5.4 Nano
Pricing
99
94
GPT-5.4 Nano
Context window size
80
81
Grok Latest
Recency
100
100
GPT-5.4 Nano
Output Capacity
85
20
GPT-5.4 Nano
Benchmark Head-to-Head(11 benchmarks)
GPT-5.4 Nano: 0Grok Latest: 0
GPT-5.4 Nano
Grok Latest
Normalized 0-100%
MMLU
94%-
MMLU-Pro
87%-
GPQA Diamond
88.5%-
MATH-500
95.5%-
HumanEval
97.5%-
SWE-bench Verified
80%-
IFEval
93.5%-
BBH
92%-
Arena Elo
1485-
LiveBench
79%-
HLE
39%-
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-5.4 NanoStrong Performer

Scores 79/100 (rank #50), placing it in the top 83% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100
Grok LatestEntry Level

Scores 40/100 (rank #172), placing it in the top 41% of all 290 models tracked.

Raw Quality0/100
Cost Efficiency0/100
Speed0/100

GPT-5.4 Nano has a 39-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-5.4 Nano when you need:

  • High-volume production workloads where API costs must be minimized
  • Step-by-step reasoning and chain-of-thought problem solving

Choose Grok Latest when you need:

  • Step-by-step reasoning and chain-of-thought problem solving
Cost-Performance Analysis
GPT-5.4 NanoBest Value
Input cost$0.20/M tokens
Output cost$1.25/M tokens
Cost per quality point$0.018
Est. monthly (1M tokens/day)$21.75
Grok Latest
Input cost$2.00/M tokens
Output cost$6.00/M tokens
Cost per quality point$0.200
Est. monthly (1M tokens/day)$120.00

GPT-5.4 Nano offers 82% better value per quality point. At 1M tokens/day, you'd spend $21.75/month with GPT-5.4 Nano vs $120.00/month with Grok Latest - a $98.25 monthly difference.

Latency & Speed
GPT-5.4 NanoFaster
Speed score0/100
Grok Latest
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-5.4 Nano

Customer support chatbot

Suitable for user-facing chat with competitive response times. GPT-5.4 Nano also offers lower per-token costs for high-volume support

GPT-5.4 Nano

Long document analysis

Larger context window (500K tokens) can process longer documents, contracts, and research papers in a single pass

Grok Latest

Batch data extraction

Lower output pricing ($1.25/M) reduces costs when processing thousands of records daily

GPT-5.4 Nano

Creative writing & content

Higher overall composite score (79/100) correlates with better nuance, coherence, and style in long-form content

GPT-5.4 Nano

Image understanding & OCR

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

GPT-5.4 Nano
Which Should You Choose?
Our recommendation:
GPT-5.4 Nano

GPT-5.4 Nano clearly outperforms Grok Latest with a significant 38.8-point lead. For most general use cases, GPT-5.4 Nano is the stronger choice. However, Grok Latest may still excel in niche scenarios.

GPT-5.4 Nano
Recommended

by OpenAI

  • Choose for Quality - Marginally better benchmark scores; both are excellent
  • Choose for Cost - 82% 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

by ~x-ai

Consider for specialized use cases.

Capability Comparison
CapabilityGPT-5.4 NanoGrok Latest
Vision (Image Input)
Function Calling
Streaming
JSON Mode
Reasoning
Web Search
Image Output
Monthly Cost Calculator
1,000tokens (600 in / 400 out)
100requests/day (3,000/month)

GPT-5.4 Nano

OpenAI

Best Value
$1.86
estimated monthly cost

Grok Latest

~x-ai

$10.80
estimated monthly cost

GPT-5.4 Nano saves you $8.94/month

That's 83% cheaper than Grok Latest 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-5.4 NanoGrok Latest
Context Window400K500K
Max Output Tokens128,000--
Open SourceNoNo
CreatedMar 17, 2026Jul 8, 2026
Last updated: 35m ago

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GPT-5.4 Nano vs Grok Latest (2026) | LM Market Cap