Claude Sonnet 4.5 vs Ternary Bonsai 1.7B
At a Glance
| Compare | Claude Sonnet 4.5Anthropic |  Ternary Bonsai 1.7BPrismML |
|---|---|---|
| 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 |
| Pricing and Limits | ||
| Input priceFrom · USD / 1M tokens | $3.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | Not reported |
| Context windowMaximum documented tokens | 200K | 33K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 18, 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 | Ternary Bonsai 1.7B |
|---|---|---|
| Developer | Anthropic | PrismML |
| Family | Claude 4 | Bonsai 1 7b |
| Model | Claude Sonnet 4.5 | Ternary Bonsai 1.7B |
| Version | Claude Sonnet 4.5 | Ternary Bonsai 1.7B |
| Lifecycle | active | active |
| Released | 2025-09-29 | 2026-04-18 |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 200K | 33K |
| Total parameters | Unknown | 1.7B |
| Active parameters | Unknown | Unknown |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | No |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard) | Unknown |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation |
| Effective bit width | Unknown | 1.58 bits per weight |
| Weight size | Unknown | 0.46 GB |
| Weight format | Unknown | Ternary Q2_0 |
Claude Sonnet 4.5 Capabilities
Ternary Bonsai 1.7B Capabilities
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Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Ternary Bonsai 1.7B FAQs
Is Claude Sonnet 4.5 or Ternary Bonsai 1.7B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 and Ternary Bonsai 1.7B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
Only Claude Sonnet 4.5 has a directly sourced input price: $3.00 per million tokens. Only Claude Sonnet 4.5 has a directly sourced output price: $15.00 per million tokens.
Which has a larger context window, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
Claude Sonnet 4.5 has the larger sourced context window. Claude Sonnet 4.5 supports 200K and Ternary Bonsai 1.7B supports 33K.
Which performs better in benchmarks, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
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 Ternary Bonsai 1.7B be self-hosted?+
Ternary Bonsai 1.7B is the only model in this pair currently marked as self-hostable. Claude Sonnet 4.5 is not marked open weight; Ternary Bonsai 1.7B is open weight.
Can Claude Sonnet 4.5 and Ternary Bonsai 1.7B understand images?+
Claude Sonnet 4.5 is documented with image input; Ternary Bonsai 1.7B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
Neither has a larger sourced maximum output. Claude Sonnet 4.5 is 64K and Ternary Bonsai 1.7B is —.
Do Claude Sonnet 4.5 and Ternary Bonsai 1.7B support reasoning and tool use?+
Claude Sonnet 4.5: reasoning, tool calling, and image input. Ternary Bonsai 1.7B: none of these features are definitively sourced. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
Claude Sonnet 4.5 has 1 sourced provider route; Ternary Bonsai 1.7B has 0, so Claude Sonnet 4.5 has broader tracked availability.
Which offers better value, Claude Sonnet 4.5 or Ternary Bonsai 1.7B?+
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.