Model Comparison
Claude 3.5 Sonnet vs Phi-4-multimodal-instructWhich is better in 2026?
Comparing Claude 3.5 Sonnet and Phi-4-multimodal-instruct across benchmarks, pricing, and capabilities.
Verdict: Claude 3.5 Sonnet vs Phi-4-multimodal-instruct — which is better?
Claude 3.5 Sonnet (by Anthropic) and Phi-4-multimodal-instruct (by Microsoft) 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.
On price, Phi-4-multimodal-instruct is roughly 96.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Claude 3.5 Sonnet also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Claude 3.5 Sonnet if…
- you process long inputs — it offers a 200,000 token context window
Choose Phi-4-multimodal-instruct if…
- cost matters — it's about 96.0x cheaper per token
- you want the most recent training data — it shipped Feb 2025
- you need open weights you can self-host or fine-tune
Performance Benchmarks
Comparative analysis across standard metrics
Claude 3.5 Sonnet and Phi-4-multimodal-instructdon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.5 Sonnet ($3.00/1M tokens) is 60.0x more expensive than Phi-4-multimodal-instruct ($0.05/1M tokens).
For output processing, Claude 3.5 Sonnet ($15.00/1M tokens) is 150.0x more expensive than Phi-4-multimodal-instruct ($0.10/1M tokens).
In conclusion, Claude 3.5 Sonnet is more expensive than Phi-4-multimodal-instruct.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Claude 3.5 Sonnet accepts 200,000 input tokens compared to Phi-4-multimodal-instruct's 128,000 tokens. Claude 3.5 Sonnet can generate longer responses up to 200,000 tokens, while Phi-4-multimodal-instruct is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
Both Claude 3.5 Sonnet and Phi-4-multimodal-instruct support multimodal inputs.
They are both capable of processing various types of data, offering versatility in application.
Claude 3.5 Sonnet
Phi-4-multimodal-instruct
License
Usage and distribution terms
Claude 3.5 Sonnet is licensed under a proprietary license, while Phi-4-multimodal-instruct uses MIT.
License differences may affect how you can use these models in commercial or open-source projects.
Proprietary
Closed source
MIT
Open weights
Release Timeline
When each model was launched
Claude 3.5 Sonnet was released on 2024-06-21, while Phi-4-multimodal-instruct was released on 2025-02-01.
Phi-4-multimodal-instruct is 8 months newer than Claude 3.5 Sonnet.
Jun 21, 2024
2.0 years ago
Feb 1, 2025
1.4 years ago
7mo newerKnowledge Cutoff
When training data ends
Phi-4-multimodal-instruct has a documented knowledge cutoff of 2024-06-01, while Claude 3.5 Sonnet's cutoff date is not specified.
We can confirm Phi-4-multimodal-instruct's training data extends to 2024-06-01, but cannot make a direct comparison without Claude 3.5 Sonnet's cutoff date.
—
Jun 2024
Provider Availability
Claude 3.5 Sonnet is available from Bedrock, Google. Phi-4-multimodal-instruct is available from DeepInfra.
Claude 3.5 Sonnet
Phi-4-multimodal-instruct
Outputs Comparison
Key Takeaways
Claude 3.5 Sonnet
View detailsAnthropic
Claude 3.5 SonnetPhi-4-multimodal-instructDetailed Comparison
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FAQ
Common questions about Claude 3.5 Sonnet vs Phi-4-multimodal-instruct.