Best model for your job # Best AI model for customer service > For customer service, Claude Opus 5 scores highest on the current data (72.1), weighting instruction following 40%, agentic & tool use 30%, writing & preferen - Canonical page: https://noometry.com/best/for/support - Last updated: 2026-10-10 - Title: Best AI model for customer service (October 2026) | Noometry For customer service, Claude Opus 5 scores highest on the current data (72.1), weighting instruction following 40%, agentic & tool use 30%, writing & preference 30%. The cheapest model in the top 10 is Claude Opus 5.5 at $4 / $20 per million tokens. Last verified October 10, 2026 Weights: [Instruction Following](https://noometry.com/best/instruction-following) 40%, [Agentic & Tool Use](https://noometry.com/best/agentic) 30%, [Writing & Preference](https://noometry.com/best/writing) 30%. Support bots must follow policy exactly, use tools and sound human. Best AI model for customer service | # | Model | Provider | Fit | Instruction Following | Agentic & Tool Use | Writing & Preference | Input $/M | Output $/M | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | [Claude Opus 5](https://noometry.com/models/claude-opus-5) | Anthropic | **72.1** | 79.2 | 55.6 | 79.2 | $5 | $25 | | 2 | [Claude Fable 5.1](https://noometry.com/models/claude-fable-5-1) | Anthropic | **70.6** | 79.2 | 50.7 | 79.2 | $10 | $50 | | 3 | [Claude Fable 5](https://noometry.com/models/claude-fable-5) | Anthropic | **70.4** | 78.6 | 54.0 | 75.9 | $10 | $50 | | 4 | [Claude Opus 4.6](https://noometry.com/models/claude-opus-4-6) | Anthropic | **69.2** | 79.5 | 51.1 | 73.5 | $5 | $25 | | 5 | [Claude Opus 5.5](https://noometry.com/models/claude-opus-5-5) | Anthropic | **69.1** | 80.0 | 45.3 | 78.2 | $4 | $20 | | 6 | [GPT-6 Astra](https://noometry.com/models/gpt-6-astra) | OpenAI | **69.0** | 76.3 | 52.9 | 75.3 | $10 | $50 | | 7 | [Claude Opus 4.7](https://noometry.com/models/claude-opus-4-7) | Anthropic | **68.3** | 78.4 | 47.9 | 75.1 | $5 | $25 | | 8 | [Gemini 4 Argon](https://noometry.com/models/gemini-4-argon) | Google | **68.2** | 80.1 | 49.2 | 71.4 | — | — | | 9 | [GPT-5.6 Sol](https://noometry.com/models/gpt-5-6-sol) | OpenAI | **68.2** | 77.7 | 50.3 | 73.3 | $4 | $20 | | 10 | [GPT-5.5](https://noometry.com/models/gpt-5-5) | OpenAI | **68.0** | 77.5 | 50.7 | 72.7 | $5 | $30 | | 11 | [Claude Opus 4.8](https://noometry.com/models/claude-opus-4-8) | Anthropic | **66.8** | 77.4 | 47.6 | 72.0 | $5 | $25 | | 12 | [Kimi K3](https://noometry.com/models/kimi-k3) (open weights) | Moonshot AI | **66.6** | 77.7 | 41.8 | 76.6 | $3 | $15 | | 13 | [GPT-5.4](https://noometry.com/models/gpt-5-4) | OpenAI | **66.4** | 77.1 | 46.5 | 71.9 | $2.50 | $15 | | 14 | [Claude Opus 4.5](https://noometry.com/models/claude-opus-4-5) | Anthropic | **65.6** | 77.5 | 47.3 | 68.1 | $5 | $25 | | 15 | [Gemini 3.8 Flash](https://noometry.com/models/gemini-3-8-flash) | Google | **65.4** | 78.0 | 41.8 | 72.2 | $0.75 | $3.75 | | 16 | [Gemini 3.7 Flash](https://noometry.com/models/gemini-3-7-flash) | Google | **65.1** | 77.7 | 42.1 | 71.2 | $0.75 | $3.75 | | 17 | [Qwen3.8 Max](https://noometry.com/models/qwen3-8-max) | Alibaba (Qwen) | **64.8** | 77.6 | 45.4 | 67.1 | $2 | $6 | | 18 | [Muse Spark 1.3](https://noometry.com/models/muse-spark-1-3) | Meta | **64.7** | 77.5 | 38.6 | 73.6 | $1.25 | $4.25 | | 19 | [Claude Sonnet 5.5](https://noometry.com/models/claude-sonnet-5-5) | Anthropic | **64.6** | 78.3 | 45.0 | 66.0 | $2 | $10 | | 20 | [GLM-5.3](https://noometry.com/models/glm-5-3) (open weights) | Z.ai (Zhipu) | **64.6** | 77.5 | 36.4 | 75.7 | $1.40 | $4.40 | | 21 | [Claude Sonnet 5](https://noometry.com/models/claude-sonnet-5) | Anthropic | **64.1** | 76.3 | 42.8 | 69.2 | $2 | $10 | | 22 | [Claude Sonnet 4.6](https://noometry.com/models/claude-sonnet-4-6) | Anthropic | **63.8** | 77.4 | 39.1 | 70.2 | $3 | $15 | | 23 | [GPT-5.6 Terra](https://noometry.com/models/gpt-5-6-terra) | OpenAI | **63.7** | 76.4 | 40.1 | 70.2 | $2 | $12 | | 24 | [Grok 4.5](https://noometry.com/models/grok-4-5) | xAI | **63.5** | 76.0 | 44.4 | 65.8 | $2 | $6 | | 25 | [GPT-5.1](https://noometry.com/models/gpt-5-1) | OpenAI | **62.7** | 83.9 | 32.7 | 64.5 | $1.25 | $10 | Sponsored placements are available on pages like this one. [Advertise on Noometry](https://noometry.com/advertise) Top two head to head: [Claude Opus 5 vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-claude-opus-5) ## Frequently asked questions ### What is the best ai model for customer service? For customer service, Claude Opus 5 scores highest on the current data (72.1), weighting instruction following 40%, agentic & tool use 30%, writing & preference 30%. The cheapest model in the top 10 is Claude Opus 5.5 at $4 / $20 per million tokens. ### How is this shortlist built? Support bots must follow policy exactly, use tools and sound human. 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(2026). Best AI model for customer service. Retrieved October 10, 2026, from https://noometry.com/best/for/support Quote Noometry with a link back to this page. It is also available in [Markdown](https://noometry.com/md/best/for/support.md).