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GPT-4o-mini vs Solar Pro 3

Detailed technical comparison between GPT-4o-mini (OpenAI) and Solar Pro 3 (Upstage). Review live API token pricing, context window capabilities, time-to-first-token latency, and verified benchmark scores side-by-side.

⚡ Executive Summary & Verdict

Comparison Snapshot

GPT-4o-mini: 1 WinvsSolar Pro 3: 5 Wins
Context Leader

Tie

Equal Capacity
Agentic Tool-Calling

Tie

Equal Capability
Lowest Latency (TTFT)

Tie

Equal Speed
Input Price Leader

Tie

Equal Pricing
OpenAIactive

GPT-4o-mini

GPT-4o mini is OpenAI's newest model after [GPT-4 Omni](/models/openai/gpt-4o), supporting both text and image inputs with text outputs. As their most advanced small model, it is many multiples more affordable...

View GPT-4o-mini Full Specs →
Upstageactive

Solar Pro 3

Solar Pro 3 is Upstage's powerful Mixture-of-Experts (MoE) language model. With 102B total parameters and 12B active parameters per forward pass, it delivers exceptional performance while maintaining computational efficiency. Optimized...

View Solar Pro 3 Full Specs →

Technical Specifications

🏆 = Superior Spec
SpecificationGPT-4o-miniSolar Pro 3
ProviderOpenAIUpstage
Context Window128,000 tokens128,000 tokens
Agent Suitability82/100N/A
Time to First Token (TTFT)150 msN/A
Deployment Modelmanaged apimanaged api
Production Stabilitystablestable
API AvailableYesYes
Released Date2024-07-182026-01-27

API Pricing Comparison

Input Price per Million Tokens

GPT-4o-mini

$0.15

Solar Pro 3

$0.15

Output Price per Million Tokens

GPT-4o-mini

$0.60

Solar Pro 3

$0.60

💡 Cost Ratio: Both models offer identical input token pricing ($0.15 / MTok).

Want to test both models live?

Run side-by-side prompt benchmarks in our dynamic multi-model Sandbox. Compare execution speeds, latency metrics, and compute actual costs in real-time.

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Benchmark Performance Metrics

Standardized Scores (0–100%)

Scores show verified raw accuracy percentages across standardized AI evaluation suites. Higher bars indicate superior performance in that domain.

MMLUGeneral knowledge & multi-task understanding
82.0%vs86.2%+4.2% Solar Pro 3
GPT-4o-mini
Solar Pro 3 🏆
HumanEvalPython coding & logic synthesis
84.0%vs85.4%+1.4% Solar Pro 3
GPT-4o-mini
Solar Pro 3 🏆
MATHComplex mathematical problem solving
70.2%vs66.6%+3.6% GPT-4o-mini
GPT-4o-mini 🏆
Solar Pro 3
GPQAGraduate-level expert reasoning
45.0%vs48.0%+3.0% Solar Pro 3
GPT-4o-mini
Solar Pro 3 🏆
HellaSwagCommonsense reasoning and inference
84.7%vs87.2%+2.5% Solar Pro 3
GPT-4o-mini
Solar Pro 3 🏆
MT-BenchMulti-turn conversation flow quality
8.6%vs9.0%+0.4% Solar Pro 3
GPT-4o-mini
Solar Pro 3 🏆

GPT-4o-mini Quirks & Gotchas

  • ▸Ultra-low latency — best TTFT in the OpenAI lineup
  • ▸Tool calling limited to single-step — not suitable for complex agentic pipelines

Solar Pro 3 Quirks & Gotchas

No developer gotchas reported.

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