Model Comparison

GPT-5.4 vs Riverflow 2.0 ProWhich is better in 2026?

Comparing GPT-5.4 and Riverflow 2.0 Pro across benchmarks, pricing, and capabilities.

Verdict: GPT-5.4 vs Riverflow 2.0 Pro — which is better?

GPT-5.4 (by OpenAI) and Riverflow 2.0 Pro (by Sourceful) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-5.4 also accepts a larger context window (1,000,000 input tokens), making it the stronger choice for long documents and large codebases.

Choose GPT-5.4 if…

  • you process long inputs — it offers a 1,000,000 token context window

Choose Riverflow 2.0 Pro if…

  • you are already invested in the Sourceful ecosystem
AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Sourceful
Riverflow 2.0 Pro

FAQ

Common questions about GPT-5.4 vs Riverflow 2.0 Pro.

Which is better, GPT-5.4 or Riverflow 2.0 Pro?

GPT-5.4 (OpenAI) and Riverflow 2.0 Pro (Sourceful) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does GPT-5.4 compare to Riverflow 2.0 Pro in benchmarks?

GPT-5.4 scores Tau2 Telecom: 98.9%, ARC-AGI: 93.7%, Graphwalks BFS <128k: 93.0%, GPQA: 92.8%, Graphwalks parents <128k: 89.8%.

What are the context window sizes for GPT-5.4 and Riverflow 2.0 Pro?

GPT-5.4 supports 1.0M tokens and Riverflow 2.0 Pro supports 10K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5.4 and Riverflow 2.0 Pro?

Key differences include context window (1.0M vs 10K). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5.4 and Riverflow 2.0 Pro?

GPT-5.4 is developed by OpenAI and Riverflow 2.0 Pro is developed by Sourceful.

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