How much can I save switching from Mistral Small 4 to GPT-oss 20B?

You can save 20% on input and -17% on output tokens by switching. For a typical workload of 1M input + 500K output tokens per month, GPT-oss 20B costs $0.26 vs $0.25 — saving $-0.01/month.

Which model should I use: GPT-oss 20B or Mistral Small 4?

Choose GPT-oss 20B for cost efficiency — it's 20% cheaper on input. Choose Mistral Small 4 if you need Mistral ecosystem integration. Both have 128K context windows.

GPT-oss 20B vs Mistral Small 4

Q: Is GPT-oss 20B cheaper than Mistral Small 4?

Yes, GPT-oss 20B costs $0.08/$0.35 per 1M tokens while Mistral Small 4 costs $0.1/$0.3. That's 20% cheaper on input and -17% cheaper on output.

Side-by-side API pricing comparison: which model gives you more for less?

Last verified May 2026 · Prices per 1M tokens

Quick Comparison

Feature	GPT-oss 20B	Mistral Small 4
Provider	OpenAI	Mistral
Tier	Budget	Budget
Input Price	$0.08	$0.1
Output Price	$0.35	$0.3
Context Window	128K	128K
Verified	May 2026	Jun 2026

When to Use Each

💰 Cost-Sensitive Workloads

High-volume APIs, batch processing, and startups watching runway.

→ Use GPT-oss 20B — 20% cheaper input, -17% cheaper output

🧠 Complex Reasoning

Tasks requiring advanced reasoning, code generation, or nuanced analysis.

→ Either model works — compare quality on your specific tasks

⚡ High-Throughput APIs

Real-time chatbots, streaming responses, and latency-sensitive apps.

→ GPT-oss 20B for cost at scale, Mistral Small 4 if quality matters more

🔬 Prototyping & Testing

Development, experimentation, and non-critical workloads.

→ Use GPT-oss 20B — same context (128K), much cheaper

Track price changes for both models

APIpulse Pro monitors 49 models across 10 providers. Get alerts when GPT-oss 20B or Mistral Small 4 prices change.

Get Pro for $19 →

Frequently Asked Questions

Is GPT-oss 20B cheaper than Mistral Small 4?

Yes. GPT-oss 20B costs $0.08 input / $0.35 output per 1M tokens, while Mistral Small 4 costs $0.1 input / $0.3 output. That's 20% cheaper on input and -17% cheaper on output.

How much can I save switching to GPT-oss 20B?

For a typical workload (1M input + 500K output tokens/month), GPT-oss 20B costs $0.26/month vs $0.25/month for Mistral Small 4. That's a savings of $-0.01/month (20%).

Which should I choose: GPT-oss 20B or Mistral Small 4?

Choose GPT-oss 20B for cost efficiency. Choose Mistral Small 4 for Mistral ecosystem benefits. Both have 128K context windows.