Which is cheaper, Mistral Small 4 or Step-3.5-Flash?
As of August 25, 2026, Step-3.5-Flash is 33% cheaper on blended LLM API pricing. Step-3.5-Flash costs $0.10 per million input tokens and $0.40 per million output tokens ($0.50 blended 1M-in + 1M-out). Mistral Small 4 costs $0.15 / $0.60 per million tokens ($0.75 blended). Sources: https://docs.mistral.ai/platform/pricing/ and https://anotherwrapper.com/tools/llm-pricing. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does Mistral Small 4 vs Step-3.5-Flash cost per million tokens?
Mistral Small 4 Mistral API pricing is $0.15 input and $0.60 output per million tokens via Mistral AI. Step-3.5-Flash StepFun API pricing is $0.10 input and $0.40 output per million tokens via StepFun. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, Mistral Small 4 or Step-3.5-Flash?
Step-3.5-Flash has a published SWE-bench Verified score of 74.4%. Mistral Small 4 does not have that eval on this page yet.
What is the context window for Mistral Small 4 vs Step-3.5-Flash?
Mistral Small 4 supports a 256K token context window, while Step-3.5-Flash supports 66K tokens. Mistral Small 4 offers a larger context window. 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, Mistral Small 4 or Step-3.5-Flash?
Step-3.5-Flash leads on 1 of 1 shared benchmarks versus Mistral Small 4's 0 wins. 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 Mistral Small 4 or Step-3.5-Flash better for production use?
Both Mistral Small 4 and Step-3.5-Flash are production API models. For cost-sensitive production traffic, Step-3.5-Flash 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 Mistral Small 4 and Step-3.5-Flash in my app?
Yes. Call Mistral Small 4 through Mistral AI and Step-3.5-Flash through StepFun 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 Mistral Small 4 vs Step-3.5-Flash pricing data?
List rates are the latest published Mistral API pricing and StepFun API pricing, quoted per million tokens. Official rate sheets: https://docs.mistral.ai/platform/pricing/ and https://anotherwrapper.com/tools/llm-pricing. 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 Mistral Small 4 and Step-3.5-Flash?
Mistral Small 4 supports up to 256K output tokens per request, while Step-3.5-Flash supports up to 8K 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, Mistral Small 4 or Step-3.5-Flash?
Mistral Small 4 runs at approximately 4.3 tokens/second while Step-3.5-Flash runs at 150 tokens/second. Step-3.5-Flash 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 Mistral Small 4 vs Step-3.5-Flash comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Mistral Small 4 or Step-3.5-Flash from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
