CompareAI models
- GPT-5 NanoOpenAI
- Grok 4.5xAI
ReasoningCodingCost efficiencyContext windowMultimodalTool use
| Model | Reasoning | Coding | Cost efficiency | Context window | Multimodal | Tool use |
|---|---|---|---|---|---|---|
| GPT-5 Nano | 100/100 | No data | 81/100 | 73/100 | 33/100 | No data |
| Grok 4.5 | 100/100 | 100/100 | 30/100 | 76/100 | 33/100 | 62/100 |
Overview
Author
Context length
400K
500K
Reasoning
True
True
Input modalities
Text, Image
Text, Image
Output modalities
Text
Text
Providers
Pricing
Input
$0.05/ 1M
$2.00/ 1M
Output
$0.40/ 1M
$6.00/ 1M
Cached input
$0.005/ 1M
$0.30/ 1M
MomentumLast 2 mo
Unique users
5.6K
118K
Completed sessions
19,181
102,525
Token share
0%
0.03%
Tokens
1.9B-98%
120B+100%
JUL 1AUG 25
JUL 1AUG 25
Related comparisons. Other model pairs to check.
Nearby alternativeGPT-5 Nano vs Gemma-SEA-LION-v4-27B-ITGPT-5 Nano·Gemma-SEA-LION-v4-27B-ITNearby alternativeGrok 4.5 vs Gemma-SEA-LION-v4-27B-ITGrok 4.5·Gemma-SEA-LION-v4-27B-ITRelated comparisonGPT-5 Nano vs Qwen3.8 27BGPT-5 Nano·Qwen3.8 27BRelated comparisonGrok 4.5 vs Qwen3.8 27BGrok 4.5·Qwen3.8 27B