PriceIndex

Models, measured side by side

Grok 4.7 vs Nemotron 3.5 Lightning

Compare Grok 4.7, Nemotron 3.5 Lightning by token pricing, context length, benchmark results, speed and tool support.

Monthly workload

Monthly cost breakdown

InputOutput

Grok 4.7

$70 / mo

Nemotron 3.5 Lightning

$1.68 / mo

Performance comparison

Grok 4.7

46.4

Nemotron 3.5 Lightning

12.9

Overview

Provider
Grok 4.7
xAI
Nemotron 3.5 Lightning
NVIDIA
Released
Grok 4.7
2026-09-21
Nemotron 3.5 Lightning
2026-08-11
Status
Grok 4.7
Active
Nemotron 3.5 Lightning
Active
Input formats
Grok 4.7
textimagefile
Nemotron 3.5 Lightning
text
Output formats
Grok 4.7
text
Nemotron 3.5 Lightning
text

Pricing & capacity

Input / 1M tokens
Grok 4.7
$2.00
Nemotron 3.5 Lightning
$0.05
Output / 1M tokens
Grok 4.7
$6.00
Nemotron 3.5 Lightning
$0.14
Cached input / 1M
Grok 4.7
$0.50
Nemotron 3.5 Lightning
$0.02
Monthly cost
Grok 4.7
$70
Nemotron 3.5 Lightning
$1.68
Context window
Grok 4.7
500K
Nemotron 3.5 Lightning
262K
Maximum output
Grok 4.7
450K
Nemotron 3.5 Lightning
33K

Benchmarks & performance

Intelligence Index
Grok 4.7
46.4
Nemotron 3.5 Lightning
12.9
GPQA
Grok 4.7
Not listed
Nemotron 3.5 Lightning
74.3%
Humanity’s Last Exam
Grok 4.7
43.1%
Nemotron 3.5 Lightning
10.6%
SciCode
Grok 4.7
57.4%
Nemotron 3.5 Lightning
32.1%
Output speed
Grok 4.7
83 tokens/s
Nemotron 3.5 Lightning
301 tokens/s
Time to first token
Grok 4.7
43.17 s
Nemotron 3.5 Lightning
0.56 s
DesignArena rating
Grok 4.7
1,269
Nemotron 3.5 Lightning
Not listed
DesignArena win rate
Grok 4.7
47.6%
Nemotron 3.5 Lightning
Not listed

Tools & features

Function calling
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
Structured outputs
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
JSON mode
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
Reasoning
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
Log probabilities
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
Deterministic seed
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported
Prompt caching
Grok 4.7
Supported
Nemotron 3.5 Lightning
Supported

API & availability

API identifier
Grok 4.7
grok-4.7
Nemotron 3.5 Lightning
nemotron-3.5-lightning
API providers
Grok 4.7
xAI, xAI, xAI, xAI, xAI
Nemotron 3.5 Lightning
Not listed
Prices checked
Grok 4.7
Oct 8, 2026
Nemotron 3.5 Lightning
Oct 8, 2026

About the models

Grok 4.7

Grok 4.7 is SpaceXAI's flagship model for coding, agentic tasks, and knowledge work, succeeding Grok 4.6. It is particularly strong at long-running software engineering tasks, verifying its own work, and...

Full pricing & details

Nemotron 3.5 Lightning

NVIDIA Nemotron 3.5 Lightning is an open mixture-of-experts model from NVIDIA, with 3B active parameters out of 30B total. It is suited for high-throughput agentic workloads and specialized tasks that...

Full pricing & details

Comparison FAQ

Grok 4.7: $2.00 input and $6.00 output per million tokens. Nemotron 3.5 Lightning: $0.05 input and $0.14 output per million tokens. The cheaper choice depends on your input-to-output ratio; a model can have a lower input rate but a higher output rate.

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