ModelRefs / Claude 3.5 Sonnet vs Phi-4 — Benchmarks, Pricing & Coding C…
Claude 3.5 Sonnet vs Phi-4 — Benchmarks, Pricing & Coding C…
Claude 3.5 Sonnet vs Phi-4: side-by-side benchmarks, pricing, context windows, coding ability and deployment. Pick the right model for your stack.
Overview
Claude 3.5 Sonnet: Claude 3.5 Sonnet is Anthropic's mid-2024 balanced model that set a new standard for agentic coding tasks, achieving top results on SWE-Bench Verified and introducing computer-use capabilities. It remains the most widely adopted Claude model for production coding workflows.
Phi-4: Microsoft's 14B dense decoder-only open-weight text model, trained on 9.8T tokens with a synthetic-data-centered curriculum and available through the microsoft/phi-4 artifact and Microsoft Foundry.
Context window: Claude 3.5 Sonnet accepts up to 200,000 tokens, Phi-4 up to 16,384. Confirm the limit for your specific deployment channel before relying on it.
Claude 3.5 Sonnet vs Phi-4 at a glance
| Attribute | Claude 3.5 Sonnet | Phi-4 |
|---|---|---|
| Provider | Anthropic | Microsoft |
| Released | 2024-06-20 | 2024-12-12 |
| Context window | 200,000 tokens | 16,384 tokens |
| Input price | $3/M tokens | Free / self-hosted |
| Output price | $15/M tokens | Free / self-hosted |
| Licence | Proprietary | MIT |
| Self-hostable | No, hosted only | Yes, open weights |
| Modalities | text, vision | text |
Where they differ most
- Cost Efficiency: Claude 3.5 Sonnet 37%, Phi-4 100%. Phi-4 leads on this dimension.
- Coding: Claude 3.5 Sonnet 49%, Phi-4 67%. Phi-4 leads on this dimension.
Capability scores are ModelRefs' own derived signals, not vendor claims or benchmark results. Validate against your own workload before relying on them.
Continue your research
Use these connected ModelRefs sections to compare alternatives, inspect implementation paths, and review the evidence and governance boundaries relevant to Claude 3.5 Sonnet vs Phi-4 — Benchmarks, Pricing & Coding C….
Frequently asked questions
Which is better, Claude 3.5 Sonnet or Phi-4?
Claude 3.5 Sonnet and Phi-4 target different workloads — see the benchmark and pricing tables for a side-by-side answer.
Is Claude 3.5 Sonnet cheaper than Phi-4?
Compare $0.00300 vs $0.00000 on this page.