Compare GPT-3.5 Turbo by OpenAI against Solar Pro 3 by Upstage, context windows of 16K vs 128K, tested across 39 shared challenges. Updated April 2026.
GPT-3.5 Turbo and Solar Pro 3 are both competitive models. GPT-3.5 Turbo costs $1.5/M input tokens vs $0/M for Solar Pro 3. Context windows: 16K vs 128K tokens. Compare their real outputs side by side below.
GPT-3.5 Turbo is made by openai while Solar Pro 3 is from upstage. GPT-3.5 Turbo has a 16K token context window compared to Solar Pro 3's 128K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $0/M for Solar Pro 3.
No community votes yet. On paper, Solar Pro 3 has the edge — bigger model tier, newer, bigger context window.
Solar Pro 3 uses 654.8x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare GPT-3.5 Turbo by OpenAI against Solar Pro 3 by Upstage, context windows of 16K vs 128K, tested across 39 shared challenges. Updated April 2026.
GPT-3.5 Turbo and Solar Pro 3 are both competitive models. GPT-3.5 Turbo costs $1.5/M input tokens vs $0/M for Solar Pro 3. Context windows: 16K vs 128K tokens. Compare their real outputs side by side below.
GPT-3.5 Turbo is made by openai while Solar Pro 3 is from upstage. GPT-3.5 Turbo has a 16K token context window compared to Solar Pro 3's 128K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $0/M for Solar Pro 3.
No community votes yet. On paper, Solar Pro 3 has the edge — bigger model tier, newer, bigger context window.
Solar Pro 3 uses 654.8x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

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34 fights queued
22+ more head-to-head results. Free. Not a trick.
Free account. No card required. By continuing, you agree to Rival's Terms and Privacy Policy