Gemini 3.8 Flash vs GPT-4
Gemini 3.8 Flash leads the LLM Stats Score 51.8 to 3.3. Gemini 3.8 Flash is 25.0x cheaper per token.
Google · OpenAI · Updated for 2026
Which is better?
Gemini 3.8 Flash leads the overall LLM Stats Score 51.8 to 3.3, ranking #11 overall.
On price, Gemini 3.8 Flash is roughly 25.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Gemini 3.8 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 3.8 Flash
- overall performance matters — it scores 51.8 and ranks #11 on LLM Stats
- your work emphasizes reasoning and coding — it leads those capability indexes
- cost matters — it's about 25.0x 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 Sep 2026
Choose GPT-4
- you want predictable pricing at $30.00/M input and $60.00/M output
At a glance
The differences that matter most.
Individual benchmarks
13 reported for Gemini 3.8 Flash · 12 for GPT-4
Gemini 3.8 Flash and GPT-4don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 3.8 Flash ($0.75/1M tokens) is 40.0x cheaper than GPT-4 ($30.00/1M tokens).
For output processing, Gemini 3.8 Flash ($3.75/1M tokens) is 16.0x cheaper than GPT-4 ($60.00/1M tokens).
In conclusion, GPT-4 is more expensive than Gemini 3.8 Flash.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Gemini 3.8 Flash accepts 1,048,576 input tokens compared to GPT-4's 32,768 tokens. Gemini 3.8 Flash can generate longer responses up to 65,536 tokens, while GPT-4 is limited to 32,768 tokens.
Input capabilities
Documented input modalities across available providers
Both Gemini 3.8 Flash and GPT-4 support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Gemini 3.8 Flash
GPT-4
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 3.8 Flash was released on 2026-09-02, while GPT-4 was released on 2023-06-13.
Gemini 3.8 Flash is 39 months newer than GPT-4.
Sep 2, 2026
0 days ago
3.2yr newerJun 13, 2023
3.2 years ago
Knowledge Cutoff
When training data ends
Gemini 3.8 Flash has a knowledge cutoff of 2026-03-31, while GPT-4 has a cutoff of 2022-12-31.
Gemini 3.8 Flash has more recent training data (up to 2026-03-31), making it potentially better informed about events through that date compared to GPT-4 (2022-12-31).
Mar 2026
3.3 yr newerDec 2022
Provider Availability
Gemini 3.8 Flash is available from Google. GPT-4 is available from Azure, OpenAI.
Gemini 3.8 Flash
GPT-4
Outputs Comparison
Judge for yourself.
Run your own prompts against Gemini 3.8 Flash and GPT-4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Gemini 3.8 Flash vs GPT-4.