Which is cheaper, Devstral Small 1.1 or Llama 3.1 405B Instruct?
As of August 23, 2026, Devstral Small 1.1 is 78% cheaper on blended LLM API pricing. Devstral Small 1.1 costs $0.10 per million input tokens and $0.30 per million output tokens ($0.40 blended 1M-in + 1M-out). Llama 3.1 405B Instruct costs $0.89 / $0.89 per million tokens ($1.78 blended). Sources: https://docs.mistral.ai/platform/pricing/ and https://llama.meta.com/. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does Devstral Small 1.1 vs Llama 3.1 405B Instruct cost per million tokens?
Devstral Small 1.1 Mistral API pricing is $0.10 input and $0.30 output per million tokens via Mistral AI. Llama 3.1 405B Instruct Meta API pricing is $0.89 input and $0.89 output per million tokens via Meta. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, Devstral Small 1.1 or Llama 3.1 405B Instruct?
Devstral Small 1.1 has a published SWE-bench Verified score of 53.6%. Llama 3.1 405B Instruct does not have that eval on this page yet.
What is the context window for Devstral Small 1.1 vs Llama 3.1 405B Instruct?
Devstral Small 1.1 supports a 128K token context window, while Llama 3.1 405B Instruct supports 128K tokens. Both models have the same context window size. Filling a larger window bills more input tokens, so the cheaper-per-million model can still cost more on long documents.
Which model performs better on benchmarks, Devstral Small 1.1 or Llama 3.1 405B Instruct?
Shared benchmark scores for Devstral Small 1.1 and Llama 3.1 405B Instruct are still limited. Check the comparison table for the evals each model has published. Check the comparison table for GPQA Diamond, SWE-bench, MMLU, HLE, and the other evals we track. Token price and benchmark score together are the usual LLM comparison, not either number alone.
Is Devstral Small 1.1 or Llama 3.1 405B Instruct better for production use?
Both Devstral Small 1.1 and Llama 3.1 405B Instruct are production API models. For cost-sensitive production traffic, Devstral Small 1.1 has better economics on the blended 1M-in + 1M-out scale. For maximum capability, weight the benchmark table for your domain. Many production stacks route cheap models for drafts and a frontier model for the hard turn, which is usually cheaper than sending everything to the expensive API.
Can I switch between Devstral Small 1.1 and Llama 3.1 405B Instruct in my app?
Yes. Call Devstral Small 1.1 through Mistral AI and Llama 3.1 405B Instruct through Meta with separate API keys, or through a gateway that already wraps both. Keep prompts in tokens, not characters, when you estimate the invoice. AnotherWrapper templates can swap providers without rewriting auth and billing.
How accurate is this Devstral Small 1.1 vs Llama 3.1 405B Instruct pricing data?
List rates are the latest published Mistral API pricing and Meta API pricing, quoted per million tokens. Official rate sheets: https://docs.mistral.ai/platform/pricing/ and https://llama.meta.com/. Prompt caching, batch APIs, and committed-use discounts can change the invoice. Benchmark scores are from official publications and independent evals, updated as new numbers land.
What is the output token limit for Devstral Small 1.1 and Llama 3.1 405B Instruct?
Devstral Small 1.1 supports up to 128K output tokens per request, while Llama 3.1 405B Instruct supports up to 128K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Which model has better throughput, Devstral Small 1.1 or Llama 3.1 405B Instruct?
Devstral Small 1.1 runs at approximately 137.1 tokens/second while Llama 3.1 405B Instruct runs at 42 tokens/second. Devstral Small 1.1 is faster in raw throughput. Throughput (tokens per second) and time-to-first-token are why two models with the same per-million-token price can still feel different in chat and agents.
How do I switch the models in this Devstral Small 1.1 vs Llama 3.1 405B Instruct comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Devstral Small 1.1 or Llama 3.1 405B Instruct from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
