Codestral 25.08 vs Devstral 2: Which is Better in 2026?
A comprehensive comparison of Codestral 25.08 and Devstral 2 covering features, pricing, use cases, and which tool is the right choice for your needs.
⚡ Quick Verdict
Choose Codestral 25.08 if:
- →You want more affordable paid plans (from $0.3/mo)
- →You need fill-in-the-middle (fim) support for inline ide code completion or 256k token context window for large codebases
Choose Devstral 2 if:
- →You need a broader feature set (12 features vs 10)
- →You need 72.2% on swe-bench verified (devstral 2, 123b) — state-of-the-art among open-weight models at launch or 68.0% on swe-bench verified (devstral small 2, 24b) — matches models 5× its size
Codestral 25.08 vs Devstral 2: At a Glance
Pricing Comparison: Codestral 25.08 vs Devstral 2
Understanding the pricing differences between Codestral 25.08 and Devstral 2 is crucial for making the right choice. Here's how their plans compare side by side.
Codestral 25.08 Pricing
💡 Pricing takeaway: Both Codestral 25.08 and Devstral 2 offer free tiers, making it easy to try before you buy. Compare the specific plans to find the best value for your use case.
Feature-by-Feature Comparison
Here's how every feature from Codestral 25.08 and Devstral 2 stacks up.
What Makes Each Tool Unique
🔵 Unique to Codestral 25.08
Features available in Codestral 25.08 but not in Devstral 2:
- ✓Fill-in-the-middle (FIM) support for inline IDE code completion
- ✓256k token context window for large codebases
- ✓80+ programming language support
- ✓Low-latency inference optimized for real-time completion
- ✓Code correction and bug-fix generation
- ✓Test generation from function signatures and docstrings
- ✓Native integrations: VS Code (Continue.dev), JetBrains, Jupyter, neovim, Emacs
- ✓Model ID: codestral-latest / codestral-25-08
- ✓$0.3/M input · $0.9/M output
- ✓Successor to Codestral 25.01 with improved FIM accuracy and multi-language performance
🟣 Unique to Devstral 2
Features available in Devstral 2 but not in Codestral 25.08:
- ✓72.2% on SWE-bench Verified (Devstral 2, 123B) — state-of-the-art among open-weight models at launch
- ✓68.0% on SWE-bench Verified (Devstral Small 2, 24B) — matches models 5× its size
- ✓256K context window — supports full codebase ingestion and multi-file edits
- ✓Up to 7× more cost-efficient than Claude Sonnet on real-world coding tasks (Mistral human evals)
- ✓42.8% win rate vs. 28.6% loss rate against DeepSeek V3.2 in independent human evaluation via Cline
- ✓Mistral Vibe CLI: open-source terminal agent for autonomous end-to-end code automation
- ✓Multi-file editing: tracks framework dependencies, detects failures, retries with corrections
- ✓Fine-tuning support for specific languages or enterprise codebases
- ✓Devstral 2: modified MIT license — Devstral Small 2: Apache 2.0
- ✓5× smaller than DeepSeek V3.2 (123B vs ~671B) at comparable benchmark performance
- ✓Devstral Small 2 runs locally on consumer hardware — single H100 or equivalent
- ✓Compatible with Cline, Continue, and other VS Code coding agent integrations
Use Case Recommendations
Best for: Codestral 25.08
Mistral's dedicated code completion model, updated August 2025. Optimized for low-latency, high-frequency coding tasks — fill-in-the-middle (FIM), inline completion, code correction, and test generation. Supports 80+ programming languages. 256k context window. API: $0.3/M input, $0.9/M output. Integrates natively with VS Code, JetBrains, Jupyter, neovim, and Emacs.
Ideal use cases:
- •Teams or individuals who need fill-in-the-middle (fim) support for inline ide code completion
- •Teams or individuals who need 256k token context window for large codebases
- •Teams or individuals who need 80+ programming language support
- •Teams or individuals who need low-latency inference optimized for real-time completion
- •Anyone focused on mistral workflows
- •Anyone focused on llm workflows
Best for: Devstral 2
Mistral AI's next-generation open-weight coding model family, released December 9, 2025. Devstral 2 is a 123B-parameter dense transformer with a 256K context window, achieving 72.2% on SWE-bench Verified under a modified MIT license — currently free via the Mistral API. Devstral Small 2 (24B, Apache 2.0) scores 68.0% on SWE-bench Verified and runs on consumer hardware. Up to 7× more cost-efficient than Claude Sonnet at real-world coding tasks per Mistral's human evaluations. Ships alongside Mistral Vibe, an open-source terminal CLI for end-to-end code automation.
Ideal use cases:
- •Teams or individuals who need 72.2% on swe-bench verified (devstral 2, 123b) — state-of-the-art among open-weight models at launch
- •Teams or individuals who need 68.0% on swe-bench verified (devstral small 2, 24b) — matches models 5× its size
- •Teams or individuals who need 256k context window — supports full codebase ingestion and multi-file edits
- •Teams or individuals who need up to 7× more cost-efficient than claude sonnet on real-world coding tasks (mistral human evals)
- •Anyone focused on mistral workflows
- •Anyone focused on coding model workflows
🔧 Other llm-apis Tools to Consider
Codestral 25.08 and Devstral 2 aren't the only options. Here are other popular tools in the same space:
Claude Opus 4.8
Anthropic's flagship model — stronger coding, agents, and honesty
Mistral Small 4
Mistral's unified open-source model — reasoning + vision + coding, Apache 2.0
Mistral Medium 3.5
Mistral's 128B merged flagship — open weights, coding+reasoning+instructions
Mistral 3
Mistral's MoE flagship + edge model family — Apache 2.0, multimodal, reasoning
North Mini Code
Cohere's open-source agentic coding model — 30B MoE, 3B active, Apache 2.0
Codestral Embed
Mistral's code-specific embedding model — semantic code search and RAG for repos
Frequently Asked Questions
Is Codestral 25.08 better than Devstral 2?
It depends on your needs. Codestral 25.08 offers 10 key features including Fill-in-the-middle (FIM) support for inline IDE code completion and 256k token context window for large codebases, while Devstral 2 provides 12 features including 72.2% on SWE-bench Verified (Devstral 2, 123B) — state-of-the-art among open-weight models at launch and 68.0% on SWE-bench Verified (Devstral Small 2, 24B) — matches models 5× its size. Codestral 25.08 uses a paid model with a free tier, while Devstral 2 is freemium with free access available. Choose based on which features and pricing model align with your requirements.
Is Codestral 25.08 cheaper than Devstral 2?
Devstral 2 doesn't have standard paid plans, while Codestral 25.08 starts at $0.3/month. Both tools offer free tiers, so you can try each before committing. Always check the official websites for the most current pricing.
Can I use Codestral 25.08 and Devstral 2 together?
Yes, many users combine Codestral 25.08 and Devstral 2 in their workflow. Codestral 25.08 excels at fill-in-the-middle (fim) support for inline ide code completion, while Devstral 2 shines with 72.2% on swe-bench verified (devstral 2, 123b) — state-of-the-art among open-weight models at launch. Using both allows you to leverage the strengths of each tool, though this means managing two subscriptions — though free tiers can help manage costs.
What's the main difference between Codestral 25.08 and Devstral 2?
While both are llm-apis tools, Codestral 25.08 emphasizes fill-in-the-middle (fim) support for inline ide code completion, whereas Devstral 2 is known for 72.2% on swe-bench verified (devstral 2, 123b) — state-of-the-art among open-weight models at launch. The best choice depends on your specific workflow and feature priorities.