Qwen3.8 Flash vs Voxtral Small
Price and specs side by side · USD per 1M tokens · verified 2026-10-23
// side by side
| metric | Qwen3.8 Flash | Voxtral Small |
|---|
| input / 1M | $0.15 | $0.10 |
| output / 1M | $0.47 | $0.40 |
| blended (3:1) | $0.23 | $0.175 |
| cache read / 1M | $0.016 | — |
| context | 1M | 32.8K |
| max output | 131.1K | 32K |
| input types | text · image · video | text · audio · pdf |
| reasoning | yes | no |
| tool calling | yes | yes |
| structured output | yes | yes |
| open weights | no | yes |
| released | 2026-08-26 | 2025-07-15 |
| knowledge cutoff | n/a | n/a |
| lab | Alibaba (Qwen) | Mistral |
// monthly cost scenarios
| workload | tokens in / out | Qwen3.8 Flash | Voxtral Small |
|---|
| Chatbot | 10M / 2M | $2.44 | $1.80 |
| RAG app | 50M / 5M | $9.85 | $7.00 |
| Coding agent | 20M / 10M | $7.70 | $6.00 |
// verdict
- Voxtral Small is 23.9% cheaper than Qwen3.8 Flash on a blended 3:1 input/output basis.
- Qwen3.8 Flash has the larger context window (1M vs 32.8K tokens).
- Only Qwen3.8 Flash supports built-in reasoning.
- Only Qwen3.8 Flash accepts image input.
- Chatbot (10M input / 2M output tokens per month): Voxtral Small costs $1.80 vs $2.44 for Qwen3.8 Flash, saving $0.64 per month.
- RAG app (50M input / 5M output tokens per month): Voxtral Small costs $7.00 vs $9.85 for Qwen3.8 Flash, saving $2.85 per month.
- Coding agent (20M input / 10M output tokens per month): Voxtral Small costs $6.00 vs $7.70 for Qwen3.8 Flash, saving $1.70 per month.
// Qwen3.8 Flash or Voxtral Small: which one to choose
- Choose Voxtral Small for cost-sensitive, high-volume workloads.
- Choose Qwen3.8 Flash for long documents and large codebases (1M-token context).
- Choose Qwen3.8 Flash if you need built-in reasoning.
- Choose Qwen3.8 Flash if you need image input.
- Choose Voxtral Small if you want open weights you can self-host.