LLMversus

GPT-4 1.5-nano vs Mistral Small: Pricing, Benchmarks & Verdict (2026)

Pricing verified Apr 20, 2026By LLMversusUpdated June 14, 2026View methodology

⚡ Quick Answer

GPT-4.1 Nano offers a larger 1048K context window vs 128K.

Updated: April 20, 2026 · ✓ Pricing verified

Side-by-Side Comparison

FeatureGPT-4 1.5-nanoMistral Small
ProviderOpenAIMistral
Input Price / 1M tokens$0.100$0.150
Output Price / 1M tokens$0.400$0.600
Context Window
128K
128K
Max Output Tokens
4,096
8,192
Arena ELO
1,150
1,185
Coding ELO
1,160
1,160
TTFT (ms)
120
160
Tokens/sec
150
120
MultimodalNoNo
JSON ModeYesYes
Function CallingYesYes
VisionNoNo
When to Use GPT-4 1.5-nano

Choose GPT-4.1 Nano when you need: ultra-low pricing, 1m context window, very fast inference, ideal for simple tasks at scale. It excels at chatbots, classification, cost-sensitive, high-volume tasks. Its 1048K context window is larger, making it better for long-document processing.

Strengths:

  • Super cheap
  • Very fast
  • Large context

Best for:

cost-effectivefast-inference
When to Use Mistral Small

Choose Mistral Small when you need: very affordable pricing, fast inference speed, good multilingual support, suitable for lightweight tasks. It excels at chatbots, classification, cost-sensitive, multilingual tasks. It is also the more cost-effective option between the two.

Strengths:

  • Very affordable pricing
  • Fast inference speed
  • Good multilingual support
  • Suitable for lightweight tasks

Best for:

chatbotsclassificationcost-sensitivemultilingual

Frequently Asked Questions

Related Comparisons

Claude Opus 4 vs Mistral SmallClaude Opus 4 vs GPT-4 1.5-nanoGemini 2 5 Pro vs Mistral SmallGemini 2 5 Pro vs GPT-4 1.5-nanoMistral Small vs O3GPT-4 1.5-nano vs O3Deepseek R1 vs Mistral SmallDeepseek R1 vs GPT-4 1.5-nanoMistral Small vs O1GPT-4 1.5-nano vs O1Mistral Small vs Qwen 3 235bGPT-4 1.5-nano vs Qwen 3 235bGemini Exp 1206 vs Mistral SmallGemini Exp 1206 vs GPT-4 1.5-nanoGpt 4 5 vs Mistral SmallGPT-4 1.5-nano vs Gpt 4 5Groq Deepseek R1 vs Mistral SmallGPT-4 1.5-nano vs Groq Deepseek R1Llama 4 Maverick vs Mistral SmallGPT-4 1.5-nano vs Llama 4 Maverick