$0.10 input / $0.30 output
DeepSeek V4 Flash
DeepSeek · 1M context
$0.14 / $0.28lower output
GPT-oss 20B
OpenAI · 128K context
$0.08 / $0.35-20% input
Gemini 2.5 Flash-Lite
Google · 1M context
$0.10 / $0.40same input
Llama 4 Scout
Meta · 128K context
$0.18 / $0.59+80% input
DeepSeek V4 Pro
DeepSeek · 1M context
$0.435 / $0.87more capable

Calculate Your Costs

Compare your monthly costs across these budget models

$270/yr
cost with Mistral Small 4
Small 4: $270/yr vs GPT-oss 20B: $194/yr (Mistral is $24/yr cheaper)

The 5 Best Mistral Small 4 Alternatives (Ranked by Value)

1. GPT-oss 20B

OpenAI · Open Source · 128K Context
20% cheaper input
Input: $0.08/MOutput: $0.35/MContext: 128K
Full comparison: Mistral Small 4 vs GPT-oss 20B ->

2. DeepSeek V4 Flash

DeepSeek · Budget Tier · 1M Context
Lower output cost
Input: $0.14/MOutput: $0.28/MContext: 1M
Full comparison: Mistral Small 4 vs DeepSeek V4 Flash ->

3. Gemini 2.5 Flash-Lite

Google · Budget Tier · 1M Context
8x more context
Input: $0.10/MOutput: $0.40/MContext: 1M
Full comparison: Mistral Small 4 vs Gemini Flash-Lite ->

4. Llama 4 Scout

Meta · Open Source · 128K Context
Higher cost, more capable
Input: $0.18/MOutput: $0.59/MContext: 128K
Full comparison: Mistral Small 4 vs Llama 4 Scout ->

5. DeepSeek V4 Pro

DeepSeek · Mid Tier · 1M Context
Much more capable
Input: $0.435/MOutput: $0.87/MContext: 1M
Full comparison: Mistral Small 4 vs DeepSeek V4 Pro ->

Why Consider Alternatives to Mistral Small 4

📏

Context

DeepSeek V4 Flash and Gemini Flash-Lite offer 8x more context (1M vs 128K) at similar pricing.

🛠

Self-hosting

Open-source models like GPT-oss 20B and Llama 4 Scout can run on your own infrastructure.

💸

Input Savings

GPT-oss 20B offers 20% lower input costs for high-volume processing workloads.

Quality Upgrade

When you need more intelligence, DeepSeek V4 Pro offers a step up at still-reasonable prices.

Frequently Asked Questions

What is the best Mistral Small 4 alternative?
GPT-oss 20B is the cheapest at $0.08/$0.35 per million tokens, with lower input costs but slightly higher output costs. DeepSeek V4 Flash at $0.14/$0.28 offers lower output costs with 1M context. Choose based on your input/output ratio and context needs.
Is Mistral Small 4 the cheapest AI model available?
Mistral Small 4 is among the cheapest at $0.15/$0.60 per million tokens. GPT-oss 20B ($0.08/$0.35) has slightly lower input costs but higher output costs. For a balanced budget option, Mistral Small 4 is hard to beat.
How does GPT-oss 20B compare to Mistral Small 4?
GPT-oss 20B costs $0.08 input / $0.35 output per million tokens, compared to Mistral Small 4's $0.15/$0.60. That's 20% cheaper on input but 17% more expensive on output. GPT-oss 20B is better for input-heavy workloads, while Mistral Small 4 excels for output-heavy tasks.
Should I switch from Mistral Small 4 to save money?
Mistral Small 4 is already extremely cheap at $0.15/$0.60. Switching to GPT-oss 20B could save on input costs but increase output costs. For most users, the savings are minimal ($5-20/month). Focus on prompt optimization and reducing token waste for larger gains.
What's the best budget model with 1M context?
For budget models with 1M context, DeepSeek V4 Flash ($0.14/$0.28) and Gemini 2.5 Flash-Lite ($0.10/$0.40) are the top choices. Both offer 1M context at sub-$0.50/M pricing. DeepSeek V4 Flash has lower output costs, while Flash-Lite has lower input costs.

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