ModelsCompareBest forBenchmarksStatusPricingAPI
Compare / head-to-head

Claude 3.7 SonnetvsKimi K2.6

Kimi K2.6 leads 3 of 3 shared benchmarks. Kimi K2.6 has the larger context window (256K tokens).

Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.

Shared benchmarks
0 – 3
Kimi K2.6 leads
Cheaper per token
list price, input + output
Larger context
Kimi K2.6
256K tokens
Provider uptime (30d)
100% · 100%
Anthropic · Moonshot AI
Claude 3.7 Sonnet
Anthropic · released 2025-02-24
textvision
Context
200K
Max out
128K
Input /1M
$3
Output /1M
$15
Cached /1M
$0.3
Scores
5 · 5 core
Kimi K2.6
Moonshot AI · released 2026-04-20
textvision
Context
256K
Max out
Input /1M
Output /1M
Cached /1M
Scores
14 · 8 core
Quality

Benchmark matrix

BenchmarkClaude 3.7 SonnetKimi K2.6ΔEdge
Reported by both · 3
GPQA Diamond79.7% epoch90.8% epoch-11.1 ptKimi K2.6
OTIS Mock AIME 2024-2025 (Epoch AI run)57.8% epoch96.1% epoch-38.3 ptKimi K2.6
SWE-bench Verified (Epoch AI run)61% epoch76.7% epoch-15.7 ptKimi K2.6
Only Claude 3.7 Sonnet reports · 2
SWE-bench Verified70.3% not reported
AIME 202549.2% matharenanot reported
Only Kimi K2.6 reports · 11
AIME 2026not reported95.8% matharena
LMArena Elonot reported1454.9
FrontierMath Tier 4 v2 (Epoch AI run)not reported25.6% epoch
FrontierMath Tiers 1-3 v2 (Epoch AI run)not reported57.2% epoch
Kimi Claw 24/7 Benchnot reported42.9%
Kimi Code Bench v2not reported50.9%
MCP-Atlasnot reported69.4%
MCPMark-Verifiednot reported72.8%
MLS-Bench-Litenot reported26.7%
ProgramBenchnot reported48.3%
SimpleQA Verifiednot reported34.9% epoch
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is Claude 3.7 Sonnet minus Kimi K2.6 in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing

Side by side

SpecClaude 3.7 SonnetKimi K2.6Edge
Context window200K tokens256K tokensKimi K2.6
Max output128K tokens
Input price / 1M$3
Output price / 1M$15
Cached input / 1M$0.3
Input + output / 1M
Lower is cheaper. List prices; batch, tool and regional fees excluded.
$18
Modalitiestext · visiontext · visionTie
Released2025-02-242026-04-20
Cited benchmark scores514
Reliability

Provider status

All providers
More matchups

Claude 3.7 Sonnet vs …

More matchups

Kimi K2.6 vs …

Built by Respan
Which one wins on your data?

Public benchmarks are a starting point. Run Claude 3.7 Sonnet and Kimi K2.6 on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.