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 & preference 30%. The cheapest model in the top 10 is Claude Opus 5.5 at $4 / $20 per million tokens.
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Weights: Instruction Following 40%, Agentic & Tool Use 30%, Writing & Preference 30%. Support bots must follow policy exactly, use tools and sound human.
| # | Model | Provider | Fit | Instruction Following | Agentic & Tool Use | Writing & Preference | Input $/M | Output $/M |
|---|---|---|---|---|---|---|---|---|
| 1 | Claude Opus 5 | Anthropic | 72.1 | 79.2 | 55.6 | 79.2 | $5 | $25 |
| 2 | Claude Fable 5.1 | Anthropic | 70.6 | 79.2 | 50.7 | 79.2 | $10 | $50 |
| 3 | Claude Fable 5 | Anthropic | 70.4 | 78.6 | 54.0 | 75.9 | $10 | $50 |
| 4 | Claude Opus 4.6 | Anthropic | 69.2 | 79.5 | 51.1 | 73.5 | $5 | $25 |
| 5 | Claude Opus 5.5 | Anthropic | 69.1 | 80.0 | 45.3 | 78.2 | $4 | $20 |
| 6 | GPT-6 Astra | OpenAI | 69.0 | 76.3 | 52.9 | 75.3 | $10 | $50 |
| 7 | Claude Opus 4.7 | Anthropic | 68.3 | 78.4 | 47.9 | 75.1 | $5 | $25 |
| 8 | Gemini 4 Argon | 68.2 | 80.1 | 49.2 | 71.4 | — | — | |
| 9 | GPT-5.6 Sol | OpenAI | 68.2 | 77.7 | 50.3 | 73.3 | $4 | $20 |
| 10 | GPT-5.5 | OpenAI | 68.0 | 77.5 | 50.7 | 72.7 | $5 | $30 |
| 11 | Claude Opus 4.8 | Anthropic | 66.8 | 77.4 | 47.6 | 72.0 | $5 | $25 |
| 12 | Kimi K3 (open weights) | Moonshot AI | 66.6 | 77.7 | 41.8 | 76.6 | $3 | $15 |
| 13 | GPT-5.4 | OpenAI | 66.4 | 77.1 | 46.5 | 71.9 | $2.50 | $15 |
| 14 | Claude Opus 4.5 | Anthropic | 65.6 | 77.5 | 47.3 | 68.1 | $5 | $25 |
| 15 | Gemini 3.8 Flash | 65.4 | 78.0 | 41.8 | 72.2 | $0.75 | $3.75 | |
| 16 | Gemini 3.7 Flash | 65.1 | 77.7 | 42.1 | 71.2 | $0.75 | $3.75 | |
| 17 | Qwen3.8 Max | Alibaba (Qwen) | 64.8 | 77.6 | 45.4 | 67.1 | $2 | $6 |
| 18 | Muse Spark 1.3 | Meta | 64.7 | 77.5 | 38.6 | 73.6 | $1.25 | $4.25 |
| 19 | Claude Sonnet 5.5 | Anthropic | 64.6 | 78.3 | 45.0 | 66.0 | $2 | $10 |
| 20 | GLM-5.3 (open weights) | Z.ai (Zhipu) | 64.6 | 77.5 | 36.4 | 75.7 | $1.40 | $4.40 |
| 21 | Claude Sonnet 5 | Anthropic | 64.1 | 76.3 | 42.8 | 69.2 | $2 | $10 |
| 22 | Claude Sonnet 4.6 | Anthropic | 63.8 | 77.4 | 39.1 | 70.2 | $3 | $15 |
| 23 | GPT-5.6 Terra | OpenAI | 63.7 | 76.4 | 40.1 | 70.2 | $2 | $12 |
| 24 | Grok 4.5 | xAI | 63.5 | 76.0 | 44.4 | 65.8 | $2 | $6 |
| 25 | GPT-5.1 | OpenAI | 62.7 | 83.9 | 32.7 | 64.5 | $1.25 | $10 |
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Top two head to head: Claude Opus 5 vs Claude Fable 5.1
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. Each model's category scores are blended with those weights; only ranked models with results in every needed category are listed.
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