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Interactive pricing calculator comparing 36 AI models, now including GPT-5.6 Sol ($5/$30), Terra ($2.50/$15), and Luna ($1/$6). Updated July 10, 2026.
A heavy AI coding user burning 200M output tokens/month on GPT-5.5 pays $6,000/month. The same workload on DeepSeek V4 Pro costs $174. The benchmarks gap? 3.2 points on SWE-bench Pro. Here's how to build a coding stack that gives you 95% of flagship performance for 3% of the cost.