token.app โ€บ Compare โ€บ Claude Opus 4.7 vs Kimi K3

Claude Opus 4.7 vs Kimi K3

Kimi K3 leads on 3 of 5 shared benchmarks. Kimi K3 is 1.7ร— cheaper per token on a blended 3:1 basis. Kimi K3 accepts the larger context window (1.0M).

Head to head
Blended price uses a 3:1 input:output mix
Claude Opus 4.7Kimi K3
ProviderAnthropicMoonshot AI
Input $/1M$5.00$3.00
Output $/1M$25.00$15.00
Blended $/1M$10.00$6.00
Context window1M1.0M
Max output128Kโ€”
ReleasedApr 2026Jul 2026
LicenceProprietaryOpen weights
GPQA Diamond 90.2% 93.1%
FrontierMath T1โ€“3 70.2% 72.2%
FrontierMath T4 31.7% 39.0%
SimpleQA Verified 50.6% 42.7%
OTIS Mock AIME 97.8% 97.2%
Benchmark scores independently run and published by Epoch AI, 'AI Benchmarking Hub', used under CC BY 4.0. Only benchmarks with a score for BOTH models are compared.
Choose Claude Opus 4.7 ifโ€ฆ
  • Higher SimpleQA Verified (50.6% vs 42.7%)
  • Higher OTIS Mock AIME (97.8% vs 97.2%)
Choose Kimi K3 ifโ€ฆ
  • Costs less per token โ€” $6.00 vs $10.00 blended
  • Higher GPQA Diamond (93.1% vs 90.2%)
  • Higher FrontierMath T1โ€“3 (72.2% vs 70.2%)
  • Higher FrontierMath T4 (39.0% vs 31.7%)
  • Larger context window (1.0M)
  • Open weights โ€” self-hostable
  • Newer model (released Jul 2026)
FAQ
Which is better, Claude Opus 4.7 or Kimi K3?
Across the 5 benchmarks both models have independently-run scores for, Claude Opus 4.7 leads on 2 and Kimi K3 leads on 3. Benchmarks are one input โ€” price and context window are on this page too.
Is Claude Opus 4.7 cheaper than Kimi K3?
Kimi K3 is cheaper: $6.00 versus $10.00 per million tokens blended at 3:1 input:output. Input alone: $5.00 vs $3.00. Output alone: $25.00 vs $15.00.
What context windows do Claude Opus 4.7 and Kimi K3 have?
Claude Opus 4.7: 1,000,000 tokens. Kimi K3: 1,048,576 tokens.
Who makes Claude Opus 4.7 and Kimi K3?
Claude Opus 4.7 is made by Anthropic. Kimi K3 is made by Moonshot AI.
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