Claude 3.7 Sonnet vs Solar Pro 4
Solar Pro 4 leads the LLM Stats Score 35.2 to 23.9. Solar Pro 4 is 11.4x cheaper per token.
Anthropic · Upstage · Updated for 2026
Which is better?
Solar Pro 4 leads the overall LLM Stats Score 35.2 to 23.9, ranking #87 overall.
In the 2 individual benchmarks reported for both models, Solar Pro 4 wins 2; this is a narrower head-to-head signal than the composite indexes.
On price, Solar Pro 4 is roughly 11.4x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Solar Pro 4 also accepts a larger context window (524,288 input tokens), making it the stronger choice for long documents and large codebases.
Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.
Choose Claude 3.7 Sonnet
- you want predictable pricing at $3.00/M input and $15.00/M output
Choose Solar Pro 4
- overall performance matters — it scores 35.2 and ranks #87 on LLM Stats
- your work emphasizes reasoning — it leads those capability indexes
- you value its reported benchmark strengths — it wins 2 of 2 exact shared results
- cost matters — it's about 11.4x cheaper per token
- you process long inputs — it offers a 524,288 token context window
- you want the most recent training data — it shipped Aug 2026
At a glance
The differences that matter most.
Capability indexes
Additional strengths measured across groups of related public benchmarks
Individual benchmarks
11 reported for Claude 3.7 Sonnet · 9 for Solar Pro 4
Claude 3.7 Sonnet outperforms in 0 benchmarks, while Solar Pro 4 is better at 2 benchmarks (GPQA, SWE-Bench Verified).
Solar Pro 4 significantly outperforms across most benchmarks.
Human preference
Blind head-to-head votes and playground preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, Claude 3.7 Sonnet ($3.00/1M tokens) is 10.0x more expensive than Solar Pro 4 ($0.30/1M tokens).
For output processing, Claude 3.7 Sonnet ($15.00/1M tokens) is 12.5x more expensive than Solar Pro 4 ($1.20/1M tokens).
In conclusion, Claude 3.7 Sonnet is more expensive than Solar Pro 4.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
Solar Pro 4 accepts 524,288 input tokens compared to Claude 3.7 Sonnet's 200,000 tokens. Solar Pro 4 can generate longer responses up to 131,072 tokens, while Claude 3.7 Sonnet is limited to 128,000 tokens.
Input capabilities
Documented input modalities across available providers
Claude 3.7 Sonnet supports multimodal inputs, whereas Solar Pro 4 does not.
Claude 3.7 Sonnet can handle both text and other forms of data like images, making it suitable for multimodal applications.
Claude 3.7 Sonnet
Solar Pro 4
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Claude 3.7 Sonnet was released on 2025-02-24, while Solar Pro 4 was released on 2026-08-06.
Solar Pro 4 is 18 months newer than Claude 3.7 Sonnet.
Feb 24, 2025
1.6 years ago
Aug 6, 2026
1 months ago
1.4yr newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
Claude 3.7 Sonnet is available from Anthropic, Bedrock, Google. Solar Pro 4 is available from Upstage.
Claude 3.7 Sonnet
Solar Pro 4
Outputs Comparison
Judge for yourself.
Run your own prompts against Claude 3.7 Sonnet and Solar Pro 4 side-by-side, then vote on the output you prefer.
FAQ
Common questions about Claude 3.7 Sonnet vs Solar Pro 4.