Overage / Compare / LLM APIs
Mistral AI API vs OpenAI API pricing Monthly cost at three volumes Monthly cost of Mistral AI API and OpenAI API at three volumes and at your own Volume Mistral AI APICheapest model Z.ai GLM 5.3 Flash Z.ai GLM 5.3 Mistral Medium 3.5 Mistral Small 4 Mistral Large 4 Mistral Large 3 Ministral 3 14B Ministral 3 8B Ministral 3 3B Voxtral Small Codestral Codestral Embed Mistral Embed OpenAI APICheapest model gpt-6-astra gpt-6.1-sol gpt-6-luna gpt-5.6-sol gpt-5.6-cyber gpt-rosalind-research gpt-rosalind-discovery chat-latest gpt-5.3-codex gpt-4o-transcribe gpt-4o-mini-transcribe small1M input, 200K output $0.12 / moMinistral 3 3B $0.20 / mogpt-6-luna growing50M input, 10M output $6 / moMinistral 3 3B $10 / mogpt-6-luna scale1B input, 200M output $120 / moMinistral 3 3B $200 / mogpt-6-luna your volumeset above $6 / moMinistral 3 3B $10 / mogpt-6-luna
Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.
Cheapest model per service, USD per 1M tokens Cheapest priced model of each service Service Cheapest model Input Output Models listed Mistral AI API Ministral 3 3B $0.10 $0.10 13 OpenAI API gpt-6-luna $0.10 $0.50 11
Every model Every model of both services, USD per 1M tokens Model Service Input Output Ministral 3 3B Mistral AI API $0.10 $0.10 Mistral Embed Mistral AI API $0.10 unlisted Z.ai GLM 5.3 Flash Mistral AI API $0.15 $0.50 Mistral Small 4 Mistral AI API $0.15 $0.60 Ministral 3 8B Mistral AI API $0.15 $0.15 Codestral Embed Mistral AI API $0.15 unlisted Ministral 3 14B Mistral AI API $0.20 $0.20 Codestral Mistral AI API $0.30 $0.90 Mistral Large 3 Mistral AI API $0.50 $1.50 Mistral Large 4 Mistral AI API $1.36 $4.18 Z.ai GLM 5.3 Mistral AI API $1.40 $4.40 Mistral Medium 3.5 Mistral AI API $1.50 $7.50 Voxtral Small Mistral AI API unlisted $0.40 gpt-6-luna OpenAI API $0.10 $0.50 gpt-4o-mini-transcribe OpenAI API $1.25 $5 gpt-5.3-codex OpenAI API $1.75 $14 gpt-6.1-sol OpenAI API $2 $10 gpt-4o-transcribe OpenAI API $2.50 $10 gpt-5.6-sol OpenAI API $4 $20 gpt-rosalind-research OpenAI API $5 $25 gpt-rosalind-discovery OpenAI API $5 $25 chat-latest OpenAI API $5 $30 gpt-6-astra OpenAI API $10 $50 gpt-5.6-cyber OpenAI API $12.50 $75
Models are compared by name and price, never by position. Pick one model per service, or "Cheapest model", in the cost table above.
Tiers, aligned by position Tiers of Mistral AI API and OpenAI API aligned by position: free, entry, mid, top Position Mistral AI API OpenAI API Free $0 / mo Free no tier Entry $14.99 / mo Pro no tier Mid $24.99 / mo Team no tier Top Contact sales Enterprise no tier
Tightest rate limit Tightest documented rate limit of each service Measure Mistral AI API OpenAI API Tightest limit unlisted unlisted
Changes in the last 90 days No changes recorded.
No change detected for either service in the last 90 days.