Updated October 2026
Smartest AI models in 2026
The models with the highest general intelligence scores, covering reasoning, math, science, and knowledge.
Ranking
Top 20, ranked by intelligence index
Ranked by the Artificial Analysis Intelligence Index, a composite of reasoning, math, science, and knowledge evaluations.
- 1
Claude Opus 5.5Anthropic · $4 in / $20 out · 1M context57.6 - 2Claude Sonnet 5.5Anthropic · $2 in / $10 out · 1M context56
- 3Claude Fable 5.1Anthropic · $10 in / $50 out · 1M context53.4
- 4
GPT-6 AstraOpenAI · $10 in / $50 out · 1.05M context52.7 - 5GPT-6.1 SolOpenAI · $2 in / $10 out · 1.05M context51.8
- 6Claude Opus 5Anthropic · $5 in / $25 out · 1M context50.8
- 7Claude Fable 5Anthropic · $10 in / $50 out · 1M context49.6
- 8
Muse Spark 1.3Meta · $1.25 in / $4.25 out · 1.05M context48.1
- 9GPT-6 SolOpenAI · $2 in / $10 out · 1.05M context47.6
- 10GPT-5.6 SolOpenAI · $2 in / $10 out · 1.05M context47
- 11
Grok 4.7xAI · $2 in / $6 out · 500K context46.4
- 12
MiMo-V2.6-ProXiaomi · $0.44 in / $0.87 out · 1.05M context46.3
- 13
Qwen3.8 Max (0902)Qwen · $2 in / $6 out · 1M context45.4 - 14
GLM 5.3Z.ai · $0.04 in / $7 out · 1.05M context44.8
- 15
- 16
Kimi K3Moonshot AI · $0.90 in / $14 out · 1.05M context43.6
- 17Claude Haiku 5.5Anthropic · $0.10 in / $0.50 out · 1M context43.4
- 18GPT-5.6 TerraOpenAI · $2 in / $12 out · 1.05M context42.1
- 19
- 20Claude Opus 4.8Anthropic · $5 in / $25 out · 1M context41.8
Head to head
How the top models compare
Detailed comparisons between the models on this list.
VSClaude Sonnet 5.5 vs Claude Opus 5.5
Anthropic vs Anthropic
See comparisonVSClaude Opus 5.5 vs Claude Fable 5.1
Anthropic vs Anthropic
See comparisonVSClaude Opus 5.5 vs GPT-6 Astra
Anthropic vs OpenAI
See comparisonVSClaude Sonnet 5.5 vs Claude Fable 5.1
Anthropic vs Anthropic
See comparisonVSGPT-6.1 Sol vs Claude Opus 5.5
OpenAI vs Anthropic
See comparisonVSClaude Sonnet 5.5 vs GPT-6 Astra
Anthropic vs OpenAI
See comparisonMore rankings
Best models for other jobs
The leader changes with the job. See how these same models rank for something else.
Cheapest AI models
The cheapest AI models for everyday chat, ranked by price per million tokens. See input and output prices side by side, plus the cheapest models that still deliver good quality.
- 1
- 2Claude Haiku 5.5$0.20
- 3GPT-6 Luna$0.20
Best AI models for coding
The strongest models for writing, refactoring, and debugging code, ranked by independent coding benchmarks.
- 1Claude Fable 5.181.6
- 2Claude Opus 578
- 3GPT-5.6 Sol77.4
Best long-context AI models
Models that can read entire codebases, books, or long document sets in a single prompt.
- 1
- 2
- 3GPT-6 Astra1.05M tokens
FAQ
Frequently asked questions
What is the smartest AI model?
Claude Opus 5.5 from Anthropic ranks first with intelligence index of 57.6. Claude Sonnet 5.5 is second at 56.
How are these models ranked?
Ranked by the Artificial Analysis Intelligence Index, a composite of reasoning, math, science, and knowledge evaluations.
Can I use more than one of these models?
Yes. Shortcut Chat sends one prompt to several models at once, so you can run the top models on this list side by side and keep the best answer.
Use the top models together.
Send one prompt to multiple models on this list at once, see the answers side by side, and take the best part from each.