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SOLVENCY

Head to head

GPT-5.6 Luna vs Mistral Medium 3.5

GPT-5.6 Luna: currentMistral Medium 3.5: currentheavy tier

No verdict

Cost per solved task needs a published pass rate for both models. At least one has none, so it is reported as missing rather than estimated.

verified 2026-08-21 · prices from each provider's pricing page

Input $/M tokens

lower is better

  • GPT-5.6 Luna$0.2
  • Mistral Medium 3.5$1.5

Output $/M tokens

lower is better

  • GPT-5.6 Luna$1.2
  • Mistral Medium 3.5$7.5

Cost per solved task

needs a pass rate for both

  • GPT-5.6 Lunamissing
  • Mistral Medium 3.5missing
GPT-5.6 LunaMistral Medium 3.5
Input $/Mtok$0.2$1.5
Output $/Mtok$1.2$7.5
Cached input $/Mtok$0.02missing
Pass ratemissingmissing
Pass rate sourcemissingmissing
Cost basismissingmissing
Cost per solved taskmissingmissing

verified 2026-08-21 · heavy task tier; measured rows ignore the tier· Methodology· GPT-5.6 Luna· Mistral Medium 3.5