Which is cheaper, DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning?
As of August 20, 2026, Grok-4 Fast Non-Reasoning is 51% cheaper on blended LLM API pricing. Grok-4 Fast Non-Reasoning costs $0.20 per million input tokens and $0.50 per million output tokens ($0.70 blended 1M-in + 1M-out). DeepSeek-V3 0324 costs $0.28 / $1.14 per million tokens ($1.42 blended). Sources: https://api-docs.deepseek.com/quick_start/pricing and https://docs.x.ai/docs/models. The cheapest LLM for your app still depends on how many output tokens you generate.
How much does DeepSeek-V3 0324 vs Grok-4 Fast Non-Reasoning cost per million tokens?
DeepSeek-V3 0324 DeepSeek API pricing is $0.28 input and $1.14 output per million tokens via DeepSeek. Grok-4 Fast Non-Reasoning xAI API pricing is $0.20 input and $0.50 output per million tokens via xAI. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning?
DeepSeek-V3 0324 leads on LiveCodeBench: DeepSeek-V3 0324 at 49.2% vs Grok-4 Fast Non-Reasoning at 46.1%. SWE-bench measures real GitHub fixes; LiveCodeBench measures contest programming.
What is the context window for DeepSeek-V3 0324 vs Grok-4 Fast Non-Reasoning?
DeepSeek-V3 0324 supports a 164K token context window, while Grok-4 Fast Non-Reasoning supports 2M tokens. Grok-4 Fast Non-Reasoning 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, DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning?
DeepSeek-V3 0324 leads on 6 of 9 shared benchmarks versus Grok-4 Fast Non-Reasoning's 3 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 DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning better for production use?
Both DeepSeek-V3 0324 and Grok-4 Fast Non-Reasoning are production API models. For cost-sensitive production traffic, Grok-4 Fast Non-Reasoning 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 DeepSeek-V3 0324 and Grok-4 Fast Non-Reasoning in my app?
Yes. Call DeepSeek-V3 0324 through DeepSeek and Grok-4 Fast Non-Reasoning through xAI 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 DeepSeek-V3 0324 vs Grok-4 Fast Non-Reasoning pricing data?
List rates are the latest published DeepSeek API pricing and xAI API pricing, quoted per million tokens. Official rate sheets: https://api-docs.deepseek.com/quick_start/pricing and https://docs.x.ai/docs/models. 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 DeepSeek-V3 0324 and Grok-4 Fast Non-Reasoning?
DeepSeek-V3 0324 supports up to 164K output tokens per request, while Grok-4 Fast Non-Reasoning supports up to 30K 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, DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning?
Grok-4 Fast Non-Reasoning has a measured throughput of approximately 90 tokens/second. Throughput data for DeepSeek-V3 0324 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.
How do I switch the models in this DeepSeek-V3 0324 vs Grok-4 Fast Non-Reasoning comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open DeepSeek-V3 0324 or Grok-4 Fast Non-Reasoning from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
