Kimi K2.6 vs Solar Pro4
Wins 4 of 6 areas
Coding · Reasoning · Math · Long documents
Wins 0 of 6 areas
—
Kimi K2.6 is the stronger all-rounder.Solar Pro4 is cheaper.
Scores updated · 22 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.
- CodingWriting and fixing software40Kimi K2.64 of 4 tests
- ReasoningHard problems that need careful thinking30Kimi K2.63 of 3 tests
- MathCompetition and research-level math10Kimi K2.61 of 1 test
- Long documentsFinding answers in very long texts10Kimi K2.61 of 1 test
- AgentsCarrying out multi-step tasks on its own11Even1 each · 2 ties
- FactsGetting facts right instead of making them up11Even1 each
Math and long documents 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.
Solar Pro4 costs 70% less for the same work.
The biggest differences
The tests each model wins by the widest margin, up to three each. Scores are out of 100.
Where Kimi K2.6 pulls ahead
- Finds hard-to-locate facts by browsing the webBrowseComp+37.1points ahead
- Answers hard knowledge questions correctlyAA-Omniscience · Accuracy+13.7points ahead
- Fixes real GitHub issues in Python projectsSWE-bench Verified+9.6points ahead
Where Solar Pro4 pulls ahead
- Avoids making up answers it doesn't knowAA-Omniscience · Non-hallucination+16.1points ahead
- Real work tasks from 44 professionsGDPVal+3.5points ahead
Every test, side by side
All 22 tests both models report. The winning score is in its model's colour; marks a score checked independently.
CodingKimi K2.6
- LMArena · WebDevKimi K2.6 by 138 rating points15091371+138 rating
- SWE-bench VerifiedKimi K2.6 by 9.680.270.6+9.6
- Terminal-Bench 2.1Kimi K2.6 by 8.665.957.3+8.6
- SciCodeKimi K2.6 by 6.951.544.6+6.9
AgentsEven
- BrowseCompKimi K2.6 by 37.186.349.2+37.1
- GDPValSolar Pro4 by 3.52730.5+3.5
- Terminal-Bench 4.0tie0.50.5tie
- τ-Bench V3 · Bankingtie23.323.3tie
ReasoningKimi K2.6
- Humanity's Last ExamKimi K2.6 by 8.337.529.2+8.3
- CritPtKimi K2.6 by 2.685.4+2.6
- GPQA DiamondKimi K2.6 by 291.189.1+2
FactsEven
- AA-Omniscience · Non-hallucinationSolar Pro4 by 16.159.575.6+16.1
- AA-Omniscience · AccuracyKimi K2.6 by 13.732.618.9+13.7
Other results7 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 Agentic IndexSolar Pro4 by 11.522.133.6+11.5
- Artificial Analysis Coding IndexKimi K2.6 by 9.161.852.7+9.1
- AA-OmniscienceKimi K2.6 by 6.15.3-0.8+6.1
- τ³-Bench BankingSolar Pro4 by 2.420.623+2.4
- LiveCodeBenchKimi K2.6 by 1.889.687.8+1.8
- AA IntelligenceSolar Pro4 by 1.22728.2+1.2
- MMLU-Protie87.186.3tie
Questions people ask
Which is better, Kimi K2.6 or Solar Pro4?
Kimi K2.6 wins four of the six areas where both have results: coding, reasoning, math and long documents. Solar Pro4 wins none, but costs 70% less. They are level on agents and facts.
Which is better for coding?
Kimi K2.6. It wins 4 of the 4 coding tests both models report; Solar Pro4 wins none.
Which is cheaper?
Kimi K2.6 costs $0.95 per million input tokens and $4.00 per million output tokens; Solar Pro4 costs $0.30 and $1.20. That makes Solar Pro4 about 70% cheaper for the same work.
How do you compare the two?
We use the 22 benchmark tests both models have published scores on. The verdict counts the 15 tests in the eight capability areas, and a gap under one point (ten on rating-style scales) counts as a tie. The other 7 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.