Skip to main content

Claude Opus 4 vs Mistral Small 4

Compare Anthropic and Mistral AI AI models

Anthropic
Claude Opus 4
vs
Mistral AI
Mistral Small 4

Cost Comparison (1000 input + 500 output tokens, 100 requests/day)

Claude Opus 4

Per Request:$0.0525
Daily:$5.25
Monthly:$157.50
Yearly:$1,916.25

Mistral Small 4

Per Request:$0.000450
Daily:$0.045
Monthly:$1.35
Yearly:$16.425

Cost Differences

$0.05205
Per Request
$5.205
Daily
$156.15
Monthly
$1,899.825
Yearly

Mistral Small 4 costs less than Claude Opus 4

Feature Comparison

FeatureClaude Opus 4Mistral Small 4
ProviderAnthropicMistral AI
Input Price$15.00/1M tokens$0.15/1M tokens
Output Price$75.00/1M tokens$0.60/1M tokens
Context Window200,000 tokens128,000 tokens
Max Output32,000 tokens16,384 tokens
Categoryflagshipefficient
Capabilities
textvisioncodereasoning
textvisioncodereasoning
Release Date5/14/20253/18/2026

Claude Opus 4 vs Mistral Small 4: Which Should You Choose?

Choosing between Claude Opus 4 and Mistral Small 4 depends on your priorities: cost efficiency, context length, or raw capability. Mistral Small 4 is the more affordable option at $0.15/1M input tokens99% cheaper than Claude Opus 4. Meanwhile, Claude Opus 4 offers a significantly larger context window at 200,000 tokens vs 128,000 for Mistral Small 4.

These models come from different providers — Anthropic and Mistral AI — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Anthropic, switching to Mistral AIinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.

These models target different tiers: Claude Opus 4 is a flagship model while Mistral Small 4 is efficient. This means they're optimized for different workloads. Claude Opus 4 is built for complex tasks that require deeper reasoning, while Mistral Small 4 offers better value for routine operations.

Output costs matter too. Claude Opus 4 charges $75.00/1M output tokens vs $0.60 for Mistral Small 4. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Mistral Small 4 has the edge here at $0.60/1M output tokens.

Multimodal capabilities: Both models support vision (image understanding), so you can send images alongside text prompts with either option.

Best Use Cases

Choose Claude Opus 4 when:

  • • You need a larger context window (200,000 tokens)
  • • You need longer outputs (up to 32,000 tokens)
  • • You're already using Anthropic's API ecosystem

Choose Mistral Small 4 when:

  • • Budget is a primary concern
  • • You're already using Mistral AI's API ecosystem
  • • You're running high-volume, latency-sensitive workloads

Try Different Scenarios

Use the calculator below to see how costs change with different usage patterns

Claude Opus 4 (Anthropic)

Mistral Small 4 (Mistral AI)

Start using Claude Opus 4 today

Sign Up for Anthropic

Start using Mistral Small 4 today

Sign Up for Mistral AI

Frequently Asked Questions

Which is cheaper, Claude Opus 4 or Mistral Small 4?
Mistral Small 4 is cheaper for input tokens at $0.15 per million tokens vs $15.00 for Claude Opus 4 — that's 99% savings on input costs.
What is the context window difference between Claude Opus 4 and Mistral Small 4?
Claude Opus 4 supports 200,000 tokens while Mistral Small 4 supports 128,000 tokens — a difference of 72,000 tokens in favor of Claude Opus 4.
Which model is better for AI Agent / Agentic Workflows?
Both models support text, code, reasoning. For ai agent / agentic workflows, Mistral Small 4 is the lower-cost option, while Claude Opus 4 offers a larger context window (200,000 vs 128,000 tokens). Choose Mistral Small 4 for budget sensitivity or Claude Opus 4 for longer context tasks.
Which model has better overall pricing for heavy usage?
At 100 requests/day with 1,000 input and 500 output tokens each, Claude Opus 4 costs about $157.50/month and Mistral Small 4 costs about $1.35/month. Overall, Mistral Small 4 has lower combined input + output rates ($0.15 in, $0.60 out) vs Claude Opus 4.

Related Comparisons

Related Articles