Claude Sonnet 4.5 vs Kimi K2.7 Code
At a Glance
| Compare | Claude Sonnet 4.5Anthropic |  Kimi K2.7 CodeMoonshot AI |
|---|---|---|
| Intelligence, Cost, and Efficiency | ||
| IntelligenceHigher is better · MM Intelligence v2.5 | #36 of 4627.7 score · 2/3 sources · provisional · missing LiveBench · full-core range 18.5–51.8 | UnrankedNot in the 46-model eligible cohort |
| CostLower is better · Published-token output estimate | UnrankedNot in the 44-model eligible cohort | #9 of 44$0.042 per LiveBench case |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Anthropic ↗ · Sep 3, 2026 | $0.68Deepinfra ↗ · Sep 21, 2026 |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | $3.21Openrouter ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 200K | 262K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 3, 2026View model evidence → |
Token prices are the lowest available sourced USD rates; input and output may use different providers. Cost ranking estimates output spend on LiveBench, not a full request bill. Ranking methodology →
Available Benchmarks
Side-by-Side Facts
| Field | Claude Sonnet 4.5 | Kimi K2.7 Code |
|---|---|---|
| Developer | Anthropic | Moonshot AI |
| Family | Claude 4 | Kimi K2 7 |
| Model | Claude Sonnet 4.5 | Kimi K2.7 Code |
| Version | Claude Sonnet 4.5 | Kimi K2.7 Code |
| Lifecycle | active | active |
| Released | 2025-09-29 | 2026-06-11 |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image | Text, Image, Video |
| Output modalities | Text | Text |
| Context window | 200K | 262K |
| Total parameters | Unknown | 1T |
| Active parameters | Unknown | 32B |
| License | Unknown | modified-mit |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard) | Deepinfra (Standard), Fireworks Ai (Standard), Openrouter (Standard), Together Ai (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | agents, chat, coding, reasoning, tools, vision |
Claude Sonnet 4.5 Capabilities
Kimi K2.7 Code Capabilities
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Claude Sonnet 4.5Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Kimi K2.7 Code FAQs
Is Claude Sonnet 4.5 or Kimi K2.7 Code better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 and Kimi K2.7 Code, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.5 or Kimi K2.7 Code?+
Claude Sonnet 4.5 is $3.00 and Kimi K2.7 Code is $0.68 per million tokens, so Kimi K2.7 Code is cheaper on this metric. Claude Sonnet 4.5 is $15.00 and Kimi K2.7 Code is $3.21 per million tokens, so Kimi K2.7 Code is cheaper on this metric.
Which has a larger context window, Claude Sonnet 4.5 or Kimi K2.7 Code?+
Kimi K2.7 Code has the larger sourced context window. Claude Sonnet 4.5 supports 200K and Kimi K2.7 Code supports 262K.
Which performs better in benchmarks, Claude Sonnet 4.5 or Kimi K2.7 Code?+
There is no overall benchmark winner: At least two independently verified, protocol-matched benchmarks are required for an overall winner.
Can Claude Sonnet 4.5 or Kimi K2.7 Code be self-hosted?+
Kimi K2.7 Code is the only model in this pair currently marked as self-hostable. Claude Sonnet 4.5 is not marked open weight; Kimi K2.7 Code is open weight.
Can Claude Sonnet 4.5 and Kimi K2.7 Code understand images?+
Claude Sonnet 4.5 is documented with image input; Kimi K2.7 Code is documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.5 or Kimi K2.7 Code?+
Neither has a larger sourced maximum output. Claude Sonnet 4.5 is 64K and Kimi K2.7 Code is —.
Do Claude Sonnet 4.5 and Kimi K2.7 Code support reasoning and tool use?+
Claude Sonnet 4.5: reasoning, tool calling, and image input. Kimi K2.7 Code: reasoning, tool calling, and image input. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.5 or Kimi K2.7 Code?+
Claude Sonnet 4.5 has 1 sourced provider route; Kimi K2.7 Code has 4, so Kimi K2.7 Code has broader tracked availability.
Which offers better value, Claude Sonnet 4.5 or Kimi K2.7 Code?+
There is no universal value winner. Compare the input and output prices above with the matched benchmark result for your workload: cheaper tokens can be offset by different quality, token usage, latency, or provider availability.