Which is cheaper, Phi 4 or Seed 2.0 Pro?
As of August 20, 2026, Phi 4 is 94% cheaper on blended LLM API pricing. Phi 4 costs $0.07 per million input tokens and $0.14 per million output tokens ($0.21 blended 1M-in + 1M-out). Seed 2.0 Pro costs $0.50 / $3.00 per million tokens ($3.50 blended). Sources: https://azure.microsoft.com/en-us/pricing/details/cognitive-services/openai-service/ 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 Phi 4 vs Seed 2.0 Pro cost per million tokens?
Phi 4 Microsoft API pricing is $0.07 input and $0.14 output per million tokens via Microsoft. Seed 2.0 Pro ByteDance API pricing is $0.50 input and $3.00 output per million tokens via ByteDance. Use those four numbers, not ChatGPT Plus or Claude Pro subscription prices, when you are comparing APIs.
Which is better for coding, Phi 4 or Seed 2.0 Pro?
Seed 2.0 Pro has a published SWE-bench Verified score of 76.5%. Phi 4 does not have that eval on this page yet.
What is the context window for Phi 4 vs Seed 2.0 Pro?
Phi 4 supports a 16K token context window, while Seed 2.0 Pro supports 256K tokens. Seed 2.0 Pro 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, Phi 4 or Seed 2.0 Pro?
Seed 2.0 Pro leads on 2 of 2 shared benchmarks versus Phi 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 Phi 4 or Seed 2.0 Pro better for production use?
Both Phi 4 and Seed 2.0 Pro are production API models. For cost-sensitive production traffic, Phi 4 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 Phi 4 and Seed 2.0 Pro in my app?
Yes. Call Phi 4 through Microsoft and Seed 2.0 Pro through ByteDance 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 Phi 4 vs Seed 2.0 Pro pricing data?
List rates are the latest published Microsoft API pricing and ByteDance API pricing, quoted per million tokens. Official rate sheets: https://azure.microsoft.com/en-us/pricing/details/cognitive-services/openai-service/ 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 Phi 4 and Seed 2.0 Pro?
Phi 4 supports up to 16K output tokens per request, while Seed 2.0 Pro supports up to 66K 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, Phi 4 or Seed 2.0 Pro?
Phi 4 runs at approximately 33 tokens/second while Seed 2.0 Pro runs at 5.593776158213053 tokens/second. Phi 4 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 Phi 4 vs Seed 2.0 Pro comparison?
Use the model pickers at the top of this LLM comparison. Search any model in the index and the URL updates. Open Phi 4 or Seed 2.0 Pro from the sidebar for the single-model API pricing page, or go back to the LLM pricing table to sort by cheapest blended cost.
