Doubao Pro 256K vs Mistral Small 3.1 24B Instruct
Doubao Pro 256K (2024) and Mistral Small 3.1 24B Instruct (2025) are compact production models from ByteDance and MistralAI. Doubao Pro 256K ships a 256k-token context window, while Mistral Small 3.1 24B Instruct ships a 128k-token context window. On pricing, Mistral Small 3.1 24B Instruct costs $0.10/1M input tokens versus $0.73/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Mistral Small 3.1 24B Instruct is ~635% cheaper at $0.10/1M; pay for Doubao Pro 256K only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Best for | general production evaluation | multimodal apps and provider-routed production |
| Decision fit | Long context | RAG, Long context, and Vision |
| Context window | 256k | 128k |
| Cheapest output | $1.32/1M tokens | $0.30/1M tokens |
| Provider routes | 1 tracked | 6 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Doubao Pro 256K has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Local decision data tags Doubao Pro 256K for Long context.
- Mistral Small 3.1 24B Instruct has the lower cheapest tracked output price at $0.30/1M tokens.
- Mistral Small 3.1 24B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Mistral Small 3.1 24B Instruct uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags Mistral Small 3.1 24B Instruct for RAG, Long context, and Vision.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Doubao Pro 256K
$919
Cheapest tracked route/tier: Volcengine
Mistral Small 3.1 24B Instruct
$155
Cheapest tracked route/tier: Together AI
Estimated monthly gap: $764. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Doubao Pro 256K and Mistral Small 3.1 24B Instruct; plan for SDK, billing, or endpoint changes.
- Mistral Small 3.1 24B Instruct is $1.02/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Mistral Small 3.1 24B Instruct adds Vision, Multimodal, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Mistral Small 3.1 24B Instruct and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
- Doubao Pro 256K is $1.02/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2025-12-15 |
| Context window | 256k | 128k |
| Parameters | — | 24B |
| Architecture | decoder only | dense |
| License | Proprietary | Apache 2.0(OSI) |
| Openness | Proprietary | Open source |
| Commercial use | Commercial use with conditions | Commercial use allowed |
| Knowledge cutoff | - | 2023-10 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Input price | $0.73/1M tokens | $0.10/1M tokens |
| Output price | $1.32/1M tokens | $0.30/1M tokens |
| Providers |
Capabilities
| Capability | Doubao Pro 256K | Mistral Small 3.1 24B Instruct |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Mistral Small 3.1 24B Instruct, multimodal input: Mistral Small 3.1 24B Instruct, and structured outputs: Mistral Small 3.1 24B Instruct. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Doubao Pro 256K lists $0.73/1M input and $1.32/1M output tokens on the cheapest tracked provider, while Mistral Small 3.1 24B Instruct lists $0.10/1M input and $0.30/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Mistral Small 3.1 24B Instruct lower by about $0.75 per million blended tokens. Availability is 1 providers versus 6, so concentration risk also matters.
Choose Doubao Pro 256K when long-context analysis and larger context windows are central to the workload. Choose Mistral Small 3.1 24B Instruct when vision-heavy evaluation, lower input-token cost, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Doubao Pro 256K or Mistral Small 3.1 24B Instruct?
Doubao Pro 256K supports 256k tokens, while Mistral Small 3.1 24B Instruct supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Doubao Pro 256K or Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct is cheaper on tracked token pricing. Doubao Pro 256K costs $0.73/1M input and $1.32/1M output tokens. Mistral Small 3.1 24B Instruct costs $0.10/1M input and $0.30/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Doubao Pro 256K or Mistral Small 3.1 24B Instruct open source?
Doubao Pro 256K is listed under Proprietary. Mistral Small 3.1 24B Instruct is listed under Apache 2.0. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Doubao Pro 256K or Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Doubao Pro 256K or Mistral Small 3.1 24B Instruct?
Mistral Small 3.1 24B Instruct has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Doubao Pro 256K and Mistral Small 3.1 24B Instruct?
Doubao Pro 256K is available on Volcengine. Mistral Small 3.1 24B Instruct is available on Cloudflare Workers AI, OpenRouter, Fireworks AI, NVIDIA NIM, and Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.