Claude 3.7 Sonnet vs Mi:dm K 2.5 Pro
Wins 5 of 6 areas
Coding · Agents · Reasoning · Facts · Long documents
Wins 1 of 6 areas
Following instructions
Claude 3.7 Sonnet is the stronger all-rounder.Mi:dm K 2.5 Pro is better at following instructions.
Scores updated · 13 tests both models report · How we compare
Where each one wins
Tests won in each of the six areas where both have results. Each piece is one test, so a longer bar means more evidence; grey means the two scored within a point of each other.
- ReasoningHard problems that need careful thinking20Claude 3.7 Sonnet2 of 3 tests · 1 tie
- FactsGetting facts right instead of making them up20Claude 3.7 Sonnet2 of 2 tests
- CodingWriting and fixing software10Claude 3.7 Sonnet1 of 1 test
- AgentsCarrying out multi-step tasks on its own10Claude 3.7 Sonnet1 of 1 test
- Long documentsFinding answers in very long texts10Claude 3.7 Sonnet1 of 1 test
- Following instructionsDoing exactly what it is asked01Mi:dm K 2.5 Pro1 of 1 test
Coding, agents, long documents and following instructions rest on a single test each.
What it costs
Prices per million tokens, roughly 750,000 words. The bars show the cost of a million tokens read plus a million written.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Claude 3.7 Sonnet pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+53.9points ahead
- Reasons across sets of long documentsAA-LCR+42.7points ahead
- Real work tasks from 44 professionsGDPVal+20.3points ahead
Where Mi:dm K 2.5 Pro pulls ahead
- Follows unfamiliar, precisely checkable instructionsIFBench+1points ahead
Every test, side by side
All 13 tests both models report. The winning score is in its model's colour; marks a score checked independently.
ReasoningClaude 3.7 Sonnet
- GPQA DiamondClaude 3.7 Sonnet by 7.177.270.1+7.1
- Humanity's Last ExamClaude 3.7 Sonnet by 1.69.78.1+1.6
- CritPttie0.90tie
FactsClaude 3.7 Sonnet
- AA-Omniscience · Non-hallucinationClaude 3.7 Sonnet by 53.9606.1+53.9
- AA-Omniscience · AccuracyClaude 3.7 Sonnet by 10.12817.9+10.1
Following instructionsMi:dm K 2.5 Pro
- IFBenchMi:dm K 2.5 Pro by 148.349.3+1
Other results4 tests, not counted
Tests outside the eight areas. They are not counted above: several are summary scores built from other tests, or the same test under another name.
- AA-OmniscienceClaude 3.7 Sonnet by 58.5-0.7-59.2+58.5
- τ²-Bench Telecom (AA run)Mi:dm K 2.5 Pro by 31.854.786.5+31.8
- AA IntelligenceClaude 3.7 Sonnet by 6.717.711+6.7
- AA Agentic Indextie3736.8tie
Questions people ask
Which is better, Claude 3.7 Sonnet or Mi:dm K 2.5 Pro?
Claude 3.7 Sonnet wins five of the six areas where both have results: coding, agents, reasoning, facts and long documents. Mi:dm K 2.5 Pro wins following instructions.
Which is better for coding?
Claude 3.7 Sonnet. It wins the one coding test both models report.
How do you compare the two?
We use the 13 benchmark tests both models have published scores on. The verdict counts the 9 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 4 are listed but not counted, because several are summary scores or repeat a test. Each score is the one shown on the model's own page.