Gemini 3.7 Flash vs Grok 4.5
Gemini 3.7 Flash and Grok 4.5 are closely matched at 50.9 and 47.0 on the LLM Stats Score. Gemini 3.7 Flash is 2.0x cheaper per token.
Google · xAI · Updated for 2026
Which is better?
Gemini 3.7 Flash and Grok 4.5 are closely matched on the overall LLM Stats Score at 50.9 and 47.0.
In the 4 individual benchmarks reported for both models, Gemini 3.7 Flash wins 4; this is a narrower head-to-head signal than the composite indexes.
On price, Gemini 3.7 Flash is roughly 2.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3.7 Flash also accepts a larger context window (1,048,576 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Gemini 3.7 Flash
- you value its reported benchmark strengths — it wins 4 of 4 exact shared results
- cost matters — it's about 2.0x cheaper per token
- you process long inputs — it offers a 1,048,576 token context window
- you want the most recent training data — it shipped Aug 2026
Choose Grok 4.5
- you want predictable pricing at $2.00/M input and $6.00/M output
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
18 reported for Gemini 3.7 Flash · 14 for Grok 4.5
Gemini 3.7 Flash outperforms in 4 benchmarks (Artificial Analysis, DeepSWE 1.1, FrontierCode 1.1, Terminal-Bench 2.1), while Grok 4.5 is better at 0 benchmarks.
Gemini 3.7 Flash significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.7 Flash ($0.75/1M tokens) is 2.7x cheaper than Grok 4.5 ($2.00/1M tokens).
For output processing, Gemini 3.7 Flash ($3.75/1M tokens) is 1.6x cheaper than Grok 4.5 ($6.00/1M tokens).
In conclusion, Grok 4.5 is more expensive than Gemini 3.7 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3.7 Flash accepts 1,048,576 input tokens compared to Grok 4.5's 500,000 tokens. Only Gemini 3.7 Flash specifies output context (65,536 tokens).
Input capabilities
Documented input modalities across available providers
Both Gemini 3.7 Flash and Grok 4.5 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.7 Flash
Grok 4.5
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 3.7 Flash was released on 2026-08-13, while Grok 4.5 was released on 2026-07-16.
Gemini 3.7 Flash is 1 month newer than Grok 4.5.
Aug 13, 2026
2 weeks ago
4w newerJul 16, 2026
1 months ago
Knowledge Cutoff
When training data ends
Gemini 3.7 Flash has a knowledge cutoff of 2026-03-31, while Grok 4.5 has a cutoff of 2026-02-01.
Gemini 3.7 Flash has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to Grok 4.5 (2026-02-01).
Mar 2026
1 mo newerFeb 2026
Provider Availability
Gemini 3.7 Flash is available from Google. Grok 4.5 is available from xAI.
Gemini 3.7 Flash
Grok 4.5
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3.7 Flash and Grok 4.5 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3.7 Flash vs Grok 4.5.