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Claude Sonnet 4 vs Voxtral Small

Pricing verdict: Claude Sonnet 4 vs Voxtral Small: Voxtral Small is cheaper for input-heavy usage ($0.10/M vs $3.00/M input tokens), while Claude Sonnet 4 is better for long-context tasks (200,000 tokens).

Direct answer: choose Voxtral Small for lower token spend and choose Claude Sonnet 4 when your workload needs longer context.

Compare API pricing, input and output token costs, context windows, and monthly estimates on one page so you can pick the right model fast.

Anthropic
Claude Sonnet 4
vs
Mistral AI
Voxtral Small

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

Claude Sonnet 4

Per Request:$0.0105
Daily:$1.05
Monthly:$31.50
Yearly:$383.25

Voxtral Small

Per Request:$0.000300
Daily:$0.03
Monthly:$0.90
Yearly:$10.95

Cost Differences

$0.0102
Per Request
$1.02
Daily
$30.60
Monthly
$372.30
Yearly

Voxtral Small costs less than Claude Sonnet 4

Quick Recommendation

Winner for direct API pricing: Voxtral Small. At the default workload, Voxtral Small saves about $30.60/month ($372.30/year) versus Claude Sonnet 4.

Feature Comparison

FeatureClaude Sonnet 4Voxtral Small
ProviderAnthropicMistral AI
Input Price$3.00/1M tokens$0.10/1M tokens
Output Price$15.00/1M tokens$0.40/1M tokens
Context Window200,000 tokens32,000 tokens
Max Output64,000 tokens8,192 tokens
Categorystandardefficient
Capabilities
textvisioncodereasoning
textaudiotranscription
Release Date5/14/20257/15/2026

Claude Sonnet 4 vs Voxtral Small: Which Should You Choose?

Choosing between Claude Sonnet 4 and Voxtral Small depends on your priorities: cost efficiency, context length, or raw capability. Voxtral Small is the more affordable option at $0.10/1M input tokens — 97% cheaper than Claude Sonnet 4. Meanwhile, Claude Sonnet 4 offers a significantly larger context window at 200,000 tokens vs 32,000 for Voxtral Small.

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 Sonnet 4 is a standard model while Voxtral Small is efficient. This means they're optimized for different workloads. Voxtral Small targets more demanding workloads, while Claude Sonnet 4 provides a cost-effective option for everyday tasks.

Output costs matter too. Claude Sonnet 4 charges $15.00/1M output tokens vs $0.40 for Voxtral Small. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Voxtral Small has the edge here at $0.40/1M output tokens.

Multimodal capabilities: Claude Sonnet 4 supports vision (image inputs) while Voxtral Small is text-only. If your application needs image understanding, this narrows your choice.

Best Use Cases

Choose Claude Sonnet 4 when:

  • • You need a larger context window (200,000 tokens)
  • • You need more capabilities (vision, code, reasoning)
  • • You need longer outputs (up to 64,000 tokens)
  • • You're already using Anthropic's API ecosystem

Choose Voxtral Small when:

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

Pros and Caveats at a Glance

Claude Sonnet 4

  • Input pricing: $3.00/M tokens
  • Output pricing: $15.00/M tokens
  • Context window: 200,000 tokens
  • Max output: 64,000 tokens

Watch out for

  • Higher input cost than Voxtral Small
  • Higher output cost than Voxtral Small

Voxtral Small

  • Input pricing: $0.10/M tokens
  • Output pricing: $0.40/M tokens
  • Context window: 32,000 tokens
  • Max output: 8,192 tokens

Watch out for

  • Smaller context window than Claude Sonnet 4

Try Different Scenarios

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

Claude Sonnet 4 (Anthropic)

Voxtral Small (Mistral AI)

Start using Claude Sonnet 4 today

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Start using Voxtral Small today

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Frequently Asked Questions

Which is cheaper, Claude Sonnet 4 or Voxtral Small?
Voxtral Small is cheaper for input tokens at $0.10 per million tokens vs $3.00 for Claude Sonnet 4 — that's 97% savings on input costs.
What is the context window difference between Claude Sonnet 4 and Voxtral Small?
Claude Sonnet 4 supports 200,000 tokens while Voxtral Small supports 32,000 tokens — a difference of 168,000 tokens in favor of Claude Sonnet 4.
Which model is better for AI Chatbot?
Both models support text. For ai chatbot, Voxtral Small is the lower-cost option, while Claude Sonnet 4 offers a larger context window (200,000 vs 32,000 tokens). Choose Voxtral Small for budget sensitivity or Claude Sonnet 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 Sonnet 4 costs about $31.50/month and Voxtral Small costs about $0.90/month. Overall, Voxtral Small has lower combined input + output rates ($0.10 in, $0.40 out) vs Claude Sonnet 4.
Where can I compare Anthropic and Mistral AI API pricing beyond this model matchup?
See the Anthropic vs Mistral AI provider comparison page for lineup-level averages, then review each model page for exact per-token rates.

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