Claude Sonnet 4.5 vs Granite 4.2 3B
At a Glance
| Compare | Claude Sonnet 4.5Anthropic | |
|---|---|---|
| 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 | $0.030Deepinfra ↗ · Sep 22, 2026 |
| Output priceFrom · USD / 1M tokens | $15.00Anthropic ↗ · Sep 3, 2026 | $0.12Deepinfra ↗ · Sep 22, 2026 |
| Context windowMaximum documented tokens | 200K | 131K |
| Model facts checked | Sep 3, 2026View model evidence → | Sep 2, 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
| Benchmark | Claude Sonnet 4.5 | Granite 4.2 3B |
|---|---|---|
| LMArena Text Arenatext-2026-09-13-d25aabda0010 · arena_rating · leader | 1,433.94100% of row best · rating · claude-sonnet-4-5-20250929-high-32k; 95% CI [1431.13982742, 1436.74901697]; votes 80980; rank 81 | 1,297.4990% of row best · rating · granite-4.2-3b; 95% CI [1285.72127313, 1309.24903304]; votes 3072; rank 238 |
| Overall ResultCounted from the protocol-matched rows above | 1 benchmark winNo overall winner | 0 benchmark winsNo overall winner |
Third-party benchmark Only like-for-like primary-publisher results are shown; raw scores, relative scores, configuration, and token spend remain visible.
Side-by-Side Facts
| Field | Claude Sonnet 4.5 | Granite 4.2 3B |
|---|---|---|
| Developer | Anthropic | IBM |
| Family | Claude 4 | Granite 4 2 |
| Model | Claude Sonnet 4.5 | Granite 4.2 3B |
| Version | Claude Sonnet 4.5 | Granite 4.2 3B |
| Lifecycle | active | active |
| Released | 2025-09-29 | 2026-08-25 |
| Knowledge cutoff | 2025-01-01 | Unknown |
| Input modalities | Text, Image | Text |
| Output modalities | Text | Text |
| Context window | 200K | 131K |
| Total parameters | Unknown | 3.7B |
| Active parameters | Unknown | Unknown |
| License | Unknown | apache-2.0 |
| Open weights | No | Yes |
| API available | Yes | Yes |
| Self-hostable | No | Yes |
| Provider access | Anthropic (Standard) | Deepinfra (Standard) |
| Capabilities | chat, generation, reasoning, structured_outputs, tools | chat, generation, reasoning, structured_outputs, tools |
Claude Sonnet 4.5 Capabilities
Granite 4.2 3B Capabilities
Related Comparisons
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|---|---|---|---|
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Claude Sonnet 4.5Anthropic | vs |  Gemini 3.1 ProGoogle DeepMind | cross-developer peerstext |
Claude Sonnet 4.5Anthropic | vs |  DeepSeek-V4.1-FlashDeepSeek | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs | Grok 4.6xAI | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs |  Qwen3.8-MaxQwen | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs |  Kimi-K3Moonshot AI | cross-developer peersimage, text |
 MiniMax-M3MiniMax | vs | Claude Sonnet 4.5Anthropic | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs |  GLM-5.3Z.ai | cross-developer peerstext |
Claude Sonnet 4.5Anthropic | vs |  Hy4 previewTencent | cross-developer peerstext |
Claude Sonnet 4.5Anthropic | vs | Seed 2.1 ProByteDance Seed | cross-developer peersimage, text |
Claude Sonnet 4.5Anthropic | vs |  Mistral Large 3Mistral AI | cross-developer peersimage, text |
Primary Evidence
Sources and Freshness
Questions
Claude Sonnet 4.5 vs Granite 4.2 3B FAQs
Is Claude Sonnet 4.5 or Granite 4.2 3B better for coding?+
This comparison does not currently contain a protocol-matched coding benchmark for both Claude Sonnet 4.5 and Granite 4.2 3B, so Model Markets cannot name a coding leader from pricing, context size, or capability labels alone.
Which is cheaper, Claude Sonnet 4.5 or Granite 4.2 3B?+
Claude Sonnet 4.5 is $3.00 and Granite 4.2 3B is $0.030 per million tokens, so Granite 4.2 3B is cheaper on this metric. Claude Sonnet 4.5 is $15.00 and Granite 4.2 3B is $0.12 per million tokens, so Granite 4.2 3B is cheaper on this metric.
Which has a larger context window, Claude Sonnet 4.5 or Granite 4.2 3B?+
Claude Sonnet 4.5 has the larger sourced context window. Claude Sonnet 4.5 supports 200K and Granite 4.2 3B supports 131K.
Which performs better in benchmarks, Claude Sonnet 4.5 or Granite 4.2 3B?+
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 Granite 4.2 3B be self-hosted?+
Granite 4.2 3B is the only model in this pair currently marked as self-hostable. Claude Sonnet 4.5 is not marked open weight; Granite 4.2 3B is open weight.
Can Claude Sonnet 4.5 and Granite 4.2 3B understand images?+
Claude Sonnet 4.5 is documented with image input; Granite 4.2 3B is not documented with image input. This reflects supported input modalities, not vision quality.
Which can generate longer answers, Claude Sonnet 4.5 or Granite 4.2 3B?+
Neither has a larger sourced maximum output. Claude Sonnet 4.5 is 64K and Granite 4.2 3B is —.
Do Claude Sonnet 4.5 and Granite 4.2 3B support reasoning and tool use?+
Claude Sonnet 4.5: reasoning, tool calling, and image input. Granite 4.2 3B: reasoning and tool calling. Feature support does not establish relative quality.
Which is available from more inference providers, Claude Sonnet 4.5 or Granite 4.2 3B?+
Claude Sonnet 4.5 has 1 sourced provider route; Granite 4.2 3B has 1, a tie.
Which offers better value, Claude Sonnet 4.5 or Granite 4.2 3B?+
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.