Devstral 2 vs Gemini 3.8 Live Extended Thinking
Pricing verdict: Devstral 2 vs Gemini 3.8 Live Extended Thinking: Devstral 2 is cheaper for input-heavy usage ($0.40/M vs $0.75/M input tokens), while Devstral 2 is better for long-context tasks (262,144 tokens).
Direct answer: choose Devstral 2 for lower token spend and choose Devstral 2 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.
Cost Comparison (1000 input + 500 output tokens, 100 requests/day)
Devstral 2
Gemini 3.8 Live Extended Thinking
Cost Differences
Gemini 3.8 Live Extended Thinking costs more than Devstral 2
Quick Recommendation
Winner for direct API pricing: Devstral 2. At the default workload, Devstral 2 saves about $4.80/month ($58.40/year) versus Gemini 3.8 Live Extended Thinking.
Feature Comparison
| Feature | Devstral 2 | Gemini 3.8 Live Extended Thinking |
|---|---|---|
| Provider | Mistral AI | |
| Input Price | $0.40/1M tokens | $0.75/1M tokens |
| Output Price | $2.00/1M tokens | $4.50/1M tokens |
| Context Window | 262,144 tokens | 131,072 tokens |
| Max Output | 32,768 tokens | 65,536 tokens |
| Category | efficient | reasoning |
| Capabilities | textcode | textvisionaudiovideoreasoningstreaming |
| Release Date | 12/9/2025 | 9/15/2026 |
Devstral 2 vs Gemini 3.8 Live Extended Thinking: Which Should You Choose?
Choosing between Devstral 2 and Gemini 3.8 Live Extended Thinking depends on your priorities: cost efficiency, context length, or raw capability. Devstral 2 is the more affordable option at $0.40/1M input tokens — 47% cheaper than Gemini 3.8 Live Extended Thinking. Meanwhile, Devstral 2 offers a significantly larger context window at 262,144 tokens vs 131,072 for Gemini 3.8 Live Extended Thinking.
These models come from different providers — Mistral AI and Google — which means different API ecosystems, SDKs, rate limits, and terms of service. If you're already integrated with Mistral AI, switching to Googleinvolves migration effort beyond just pricing. Factor in your existing infrastructure when deciding.
These models target different tiers: Devstral 2 is a efficient model while Gemini 3.8 Live Extended Thinking is reasoning. This means they're optimized for different workloads. Gemini 3.8 Live Extended Thinking targets more demanding workloads, while Devstral 2 provides a cost-effective option for everyday tasks.
Output costs matter too. Devstral 2 charges $2.00/1M output tokens vs $4.50 for Gemini 3.8 Live Extended Thinking. For generation-heavy workloads (content creation, code generation, summarization), output pricing often dominates your bill. Devstral 2 has the edge here at $2.00/1M output tokens.
Multimodal capabilities: Gemini 3.8 Live Extended Thinking supports vision (image inputs) while Devstral 2 is text-only. If your application needs image understanding, this narrows your choice.
Best Use Cases
Choose Devstral 2 when:
- • Budget is a primary concern
- • You need a larger context window (262,144 tokens)
- • You're already using Mistral AI's API ecosystem
- • You're running high-volume, latency-sensitive workloads
Choose Gemini 3.8 Live Extended Thinking when:
- • You need more capabilities (vision, audio, video, reasoning, streaming)
- • You need longer outputs (up to 65,536 tokens)
- • You're already using Google's API ecosystem
Pros and Caveats at a Glance
Devstral 2
- • Input pricing: $0.40/M tokens
- • Output pricing: $2.00/M tokens
- • Context window: 262,144 tokens
- • Max output: 32,768 tokens
Watch out for
- • Trade-offs are minor in this matchup.
Gemini 3.8 Live Extended Thinking
- • Input pricing: $0.75/M tokens
- • Output pricing: $4.50/M tokens
- • Context window: 131,072 tokens
- • Max output: 65,536 tokens
Watch out for
- • Higher input cost than Devstral 2
- • Higher output cost than Devstral 2
- • Smaller context window than Devstral 2
Try Different Scenarios
Use the calculator below to see how costs change with different usage patterns
Devstral 2 (Mistral AI)
Gemini 3.8 Live Extended Thinking (Google)
Start using Devstral 2 today
Sign Up for Mistral AI →Start using Gemini 3.8 Live Extended Thinking today
Sign Up for Google →Frequently Asked Questions
Which is cheaper, Devstral 2 or Gemini 3.8 Live Extended Thinking?▼
What is the context window difference between Devstral 2 and Gemini 3.8 Live Extended Thinking?▼
Which model is better for AI Chatbot?▼
Which model has better overall pricing for heavy usage?▼
Where can I compare Mistral AI and Google API pricing beyond this model matchup?▼
Related Comparisons
Related Articles
Learn when to pick each model, then compare live pricing scenarios.