AI Models · Open-Source vs Paid

Gemma 4 26B A4B Open vs Gemini 3.5 Flash Paid

Gemma 4 26B A4B vs Gemini 3.5 Flash compared — price per token, context window, multimodality, openness and which to choose. Can the open-source model replace the paid one? Full 2026 breakdown.

Prices & specs refreshed from live data · OpenSourceAI.tech

Open-model prices = cheapest provider via OpenRouter; official maker rates may be higher.

Choose Gemma 4 26B A4B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Gemini 3.5 Flash if you want frontier capability through a managed API with zero infrastructure to run.

Gemma 4 26B A4B vs Gemini 3.5 Flash specs

SpecGemma 4 26B A4BGemini 3.5 Flash
MakerGoogleGoogle
TypeOpen-weightProprietary
Context window262K tokens1M tokens
Input price$0.07/M · free self-host$1.5/M
Output price$0.34/M · free self-host$9/M
Vision / multimodalYesYes
Tool / function callingYesYes
Self-hostableYesNo (API only)
LicenseGemma LicenseProprietary

Feature comparison

CapabilityGemma 4 26B A4BGemini 3.5 Flash
Open weights (downloadable)
Self-hostable
Runs fully offline
Vision / multimodal
Tool / function calling
1M+ context window

Benchmarks: Gemma 4 26B A4B vs Gemini 3.5 Flash

Independent benchmark scores measured by Artificial Analysis. Higher is better (except latency).

Gemma 4 26B A4B delivers 8.7× more intelligence per dollar.
Gemma 4 26B A4B
Gemini 3.5 Flash
Intelligence index
25.7
50.2
Coding index
39.3
70.1
GPQA
79.2%
92.2%
Humanity's Last Exam
18.3%
41%
Long Context Reasoning
55.7%
69.3%
SciCode
40%
53.1%
IFBench
72.4%
76.3%
τ²-Bench
43.6%
95.3%
τ-Bench Banking
11.8%
25.4%
Terminal-Bench
39%
78.7%
Terminal-Bench Hard
13.6%
40.9%
Speed
0 tok/s
293.7 tok/s
Latency
0s
12.74s
Intelligence per $
129.8
14.9

Benchmark data by Artificial Analysis.

How Gemma 4 26B A4B and Gemini 3.5 Flash score

🏆 Best value & openness: Gemma 4 26B A4B (4.8 vs 3.2 / 5)
CriterionGemma 4 26B A4BGemini 3.5 Flash
Cost-efficiency5.03.5
Context window4.05.0
Openness5.01.5
Self-hosting5.01.0
Multimodality5.05.0

Scores come from live data — output price (cost), context length, open vs closed weights (openness & self-hosting) and vision/tool support (multimodality). Raw task quality isn't scored here; it depends on your benchmark — see the verdict.

What each model is

Gemma 4 26B A4B Open

Google · Open-weight

Gemma 4 26B A4B IT is an instruction-tuned Mixture-of-Experts (MoE) model from Google DeepMind. Despite 25.2B total parameters, only 3.8B activate per token during inference — delivering near-31B quality at...

Gemini 3.5 Flash Paid

Google · Proprietary

Gemini 3.5 Flash is Google's high-efficiency multimodal model, bringing near-Pro level coding and reasoning at Flash-tier cost and speed. It is highly optimized for coding proficiency and parallel agentic execution...

Other models in these families

These variants are tracked but not compared here — one page per family keeps the comparison readable.

Other variants tracked
Gemma 4 31BGemma 3 27BGemma 3 12BGemma 4 26B A4B (free)Gemma 3 4BGemma 4 31B (free)Gemma 3n 4BGemma 2 27B
Other variants tracked
Gemini 3 Flash PreviewGemini 2.5 Flash

Frequently asked questions

Is Gemma 4 26B A4B as good as Gemini 3.5 Flash?

Gemma 4 26B A4B is open-weight and competitive on many tasks, but Gemini 3.5 Flash may still lead on the hardest reasoning and agentic work. The gap keeps narrowing — benchmark both on your actual use case before deciding.

Can I run Gemma 4 26B A4B locally?

Yes. Gemma 4 26B A4B has open weights, so you can self-host it on your own GPUs or run it via a low-cost API. Gemini 3.5 Flash is API-only and cannot be self-hosted.

How much cheaper is Gemma 4 26B A4B?

Gemma 4 26B A4B costs $0.34/M output vs $9/M for Gemini 3.5 Flash — roughly 26x cheaper via API, and free if you self-host.

Gemma 4 26B A4B vs Gemini 3.5 Flash — which should I pick in 2026?

Choose Gemma 4 26B A4B if you want to self-host, keep your data private and skip per-token fees — it's open-weight and runs on your own hardware. Choose Gemini 3.5 Flash if you want frontier capability through a managed API with zero infrastructure to run.

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