LLMCost

Anthropic: Claude Opus 5 vs Upstage: Solar Pro 3

On input price, Upstage: Solar Pro 3 is ~33.3× cheaper. Verified 2026-10-21.

Anthropic: Claude Opus 5 $5.00/$25.00vsUpstage: Solar Pro 3 $0.150/$0.600

Verdict

On blended price (3:1 input:output), Upstage: Solar Pro 3 is ~38.1× cheaper ($0.150/$0.600 vs $5.00/$25.00 per 1M tokens).

Pricing

Per-million-token list prices, verified 2026-10-21. Green marks the better value.

MetricAnthropic: Claude Opus 5Upstage: Solar Pro 3
Input / 1M$5.00$0.150
Output / 1M$25.00$0.600
Cache read / 1M$0.500$0.015
Blended (3:1)$10.00/1M$0.262/1M
Estimated monthly costAnthropic: Claude Opus 5Upstage: Solar Pro 3
Chatbot10,000 reqs · 800/400 tok$140.00$3.60
Coding agent5,000 reqs · 8000/2000 tok$450.00$12.00
RAG pipeline30,000 reqs · 4000/500 tok$975.00$27.00

Plug in your own numbers in the calculator, or paste a real bill into the Bill Shredder.

Specifications & capabilities

MetricAnthropic: Claude Opus 5Upstage: Solar Pro 3
Context window1M131K
Max output128K118K
Vision input✓–
Tool calling✓✓
Reasoning✓✓

Quality

Intelligence Index by Artificial Analysis (independent evaluations, 0–100).

Verified intelligence scores aren't available for both models yet. See the full leaderboard.

Performance

Measured by Artificial Analysis on live endpoints.

Speed measurements aren't available for both models yet.

Provider

Infrastructure metrics for the organizations behind these models.

MetricAnthropicUpstage
Listed endpoints82
Reliability99.8%99.5%
Avg latency520 ms400 ms
Pricing tiersstandard, batchstandard

Full details: Anthropic: Claude Opus 5 pricing · Upstage: Solar Pro 3 pricing