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LLM cost comparisons, computed — not copied
Every number on these pages is computed from our verified pricing data (last refresh: 2026-10-09) using the same engine as the calculator — tokenizer overhead, caching economics, and retries included. When prices change, these pages change.
Full catalog ranking
Cheapest LLM API for Production, Ranked
Every model in the catalog costed on one workload, cheapest first. The spread is enormous, which is exactly why ranking on price alone will pick the wrong model.
Claude Sonnet 5.5 vs Gemini 2.5 Flash
Claude vs Gemini Pricing: Cost Compared Across Workloads
Sonnet 5.5 costs several times Gemini 2.5 Flash on every workload we model. At that kind of spread the decision stops being about price — and a tier change may beat a vendor change.
GPT-5.4 vs Claude Sonnet 5.5
GPT-5 vs Claude: Cost Compared Across Workloads
Sonnet 5.5 is cheaper than GPT-5.4 on both sticker lines and still costs more to run. The tokenizer is why, and the premium tracks one number — your input:output ratio. Computed live from verified pricing data.
OpenAI vs Anthropic
OpenAI vs Anthropic Pricing: Real Cost Breakdown
Anthropic now wins the rate card at both tiers, and still loses the flagship comparison. The real gaps are the tokenizer, the cache-write premium, and a budget tier that has flipped outright. Computed live from verified pricing data.
Looking at one provider rather than a head-to-head? Model pricing has the per-provider rate cards and quirks, costed on these same workloads.