As of August 30, 2026, MiMo-V2-Omni is 44% cheaper per million tokens than Mistral Small 4. MiMo-V2-Omni is $0.14 / $0.28 per million input/output tokens versus Mistral Small 4 at $0.15 / $0.60. Sources: https://openrouter.ai/xiaomi/mimo-v2.5 and https://docs.mistral.ai/platform/pricing/
Sources: OpenRouter pricing (https://openrouter.ai/xiaomi/mimo-v2.5); Mistral AI pricing (https://docs.mistral.ai/platform/pricing/)
MiMo-V2-Omni
Xiaomi
Input
$0.14
Output
$0.28
Mistral Small 4
Mistral
Input
$0.15
Output
$0.60
Token pricing, specs, and benchmarks side by side
MiMo-V2-OmniMistral Small 4Verdict
Both models are closely matched on benchmarks. MiMo-V2-Omni has the pricing advantage, making it the better value unless Mistral Small 4's specific capabilities are critical to your workflow.
As of August 30, 2026, MiMo-V2-Omni is 44% cheaper on blended LLM API pricing. MiMo-V2-Omni costs $0.14 per million input tokens and $0.28 per million output tokens ($0.42 blended 1M-in + 1M-out). Mistral Small 4 costs $0.15 / $0.60 per million tokens ($0.75 blended). Sources: https://openrouter.ai/xiaomi/mimo-v2.5 and https://docs.mistral.ai/platform/pricing/. The cheapest LLM for your app still depends on how many output tokens you generate.
MiMo-V2-Omni OpenRouter API pricing is $0.14 input and $0.28 output per million tokens via OpenRouter. Mistral Small 4 Mistral API pricing is $0.15 input and $0.60 output per million tokens via Mistral AI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
MiMo-V2-Omni has a published SWE-bench Verified score of 74.8%. Mistral Small 4 does not have that eval on this page yet.
MiMo-V2-Omni supports a 262K token context window, while Mistral Small 4 supports 256K tokens. MiMo-V2-Omni 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.
Shared benchmark scores for MiMo-V2-Omni and Mistral Small 4 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.
Both MiMo-V2-Omni and Mistral Small 4 are production API models. For cost-sensitive production traffic, MiMo-V2-Omni 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.
Yes. Call MiMo-V2-Omni through OpenRouter and Mistral Small 4 through Mistral AI 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.
List rates are the latest published OpenRouter API pricing and Mistral API pricing, quoted per million tokens. Official rate sheets: https://openrouter.ai/xiaomi/mimo-v2.5 and https://docs.mistral.ai/platform/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.
MiMo-V2-Omni supports up to 16K output tokens per request, while Mistral Small 4 supports up to 256K output tokens. Output tokens are usually the expensive half of API pricing, so a higher max output cap is a capability, not a discount.
Mistral Small 4 has a measured throughput of approximately 4.3 tokens/second. Throughput data for MiMo-V2-Omni is not yet available. 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.
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open MiMo-V2-Omni or Mistral Small 4 from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
This comparison covers API pricing, context window, throughput, and benchmark scores. MiMo-V2-Omni costs $0.14/M input and $0.28/M output via OpenRouter. Mistral Small 4 costs $0.15/M input and $0.60/M output via Mistral AI.
Rank both on the LLM leaderboard, SWE-bench, and Humanity's Last Exam.
The index
343 models across 36 providers. Search or jump to a lab — every model page stays linked here.
Next step
Auth, billing, and the API layer are already decided. Fork 8 finished AI apps, or have us build the first version with you.
