Doubao Pro 256K vs Mistral Medium 3
Doubao Pro 256K (2024) and Mistral Medium 3 (2025) are compact production models from ByteDance and MistralAI. Doubao Pro 256K ships a 256k-token context window, while Mistral Medium 3 ships a 128k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
Mistral Medium 3 is safer overall; choose Doubao Pro 256K when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Doubao Pro 256K | Mistral Medium 3 |
|---|---|---|
| Best for | general production evaluation | multimodal apps and tool-calling agents |
| Decision fit | Long context | Coding, RAG, and Agents |
| Context window | 256k | 128k |
| Cheapest output | $1.32/1M tokens | - |
| Provider routes | 1 tracked | 0 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.
- Doubao Pro 256K has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Doubao Pro 256K for Long context.
- Mistral Medium 3 uniquely exposes Vision, Multimodal, and Function calling in local model data.
- Local decision data tags Mistral Medium 3 for Coding, RAG, and Agents.
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 Medium 3
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Doubao Pro 256K and Mistral Medium 3; plan for SDK, billing, or endpoint changes.
- Mistral Medium 3 adds Vision, Multimodal, and Function calling in local capability data.
- No overlapping tracked provider route is sourced for Mistral Medium 3 and Doubao Pro 256K; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Function calling before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-05-15 | 2025-05-01 |
| Context window | 256k | 128k |
| Parameters | — | — |
| Architecture | decoder only | decoder only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | 2025-03 |
Pricing and availability
| Pricing attribute | Doubao Pro 256K | Mistral Medium 3 |
|---|---|---|
| Input price | $0.73/1M tokens | - |
| Output price | $1.32/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Doubao Pro 256K | Mistral Medium 3 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | Yes |
| 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 Medium 3, multimodal input: Mistral Medium 3, function calling: Mistral Medium 3, tool use: Mistral Medium 3, structured outputs: Mistral Medium 3, and code execution: Mistral Medium 3. 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.
Pricing coverage is uneven: Doubao Pro 256K has $0.73/1M input tokens and Mistral Medium 3 has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Doubao Pro 256K when long-context analysis, larger context windows, and broader provider choice are central to the workload. Choose Mistral Medium 3 when coding workflow support are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions.
FAQ
Which has a larger context window, Doubao Pro 256K or Mistral Medium 3?
Doubao Pro 256K supports 256k tokens, while Mistral Medium 3 supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Doubao Pro 256K or Mistral Medium 3 open source?
Doubao Pro 256K is listed under Proprietary. Mistral Medium 3 is listed under Proprietary. 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 Medium 3?
Mistral Medium 3 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 Medium 3?
Mistral Medium 3 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.
Which is better for function calling, Doubao Pro 256K or Mistral Medium 3?
Mistral Medium 3 has the clearer documented function calling signal in this comparison. If function calling 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 Medium 3?
Doubao Pro 256K is available on Volcengine. Mistral Medium 3 is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-05. Data sourced from public model cards and provider documentation.