GPT-5.6 Sol vs Claude 4.5 Haiku: Release Comparison
Comparison of the GPT-5.6 Sol and Claude 4.5 Haiku releases: 6 and 2 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 8 models.
- For intelligence, GPT-5.6 Sol scores highest: GPT-5.6 Sol (max) at 47, against Claude 4.5 Haiku (Reasoning) at 18 for Claude 4.5 Haiku.
- For output speed, Claude 4.5 Haiku is fastest: Claude 4.5 Haiku (Reasoning) at 88 t/s, against GPT-5.6 Sol (xhigh) at 61 t/s for GPT-5.6 Sol.
- For cost per task, Claude 4.5 Haiku is cheapest: Claude 4.5 Haiku (Reasoning) at $0.21, against GPT-5.6 Sol (low) at $0.26 for GPT-5.6 Sol.
Releases compared
Intelligence
Artificial Analysis Intelligence Index
Intelligence Index vs. Cost per Intelligence Index Task
Cost
Cost per Intelligence Index Task
Speed & Latency
Output Speed
Capability Scores
Capability Indices
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better
Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2, AA-Briefcase, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better
Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2, AA-Briefcase, Terminal-Bench v4.0 · Higher is better
Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2, AA-Briefcase, AA-LCR v1.1 · Higher is better
Further details
Weights | Provider Benchmarks | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| GPT-5.6 Sol (max) |  OpenAI | 47 | - | 1M | $3.1 | 58 | Not available |   | |
| GPT-5.6 Sol (xhigh) | OpenAI | 44 | - | 1M | $3.1 | 61 | Not available | | |
| GPT-5.6 Sol (high) | OpenAI | 42 | - | 1M | $3.1 | 60 | Not available | | |
| GPT-5.6 Sol (medium) | OpenAI | 39 | - | 1M | $3.1 | 60 | Not available | | |
| GPT-5.6 Sol (low) | OpenAI | 34 | - | 1M | $3.1 | 57 | Not available | | |
| GPT-5.6 Sol (Non-reasoning) | OpenAI | 28 | - | 1M | $3.1 | 59 | Not available | | |
| Claude 4.5 Haiku (Reasoning) |  Anthropic | 18 | - | 200k | $0.8 | 88 | Not available |  | |
| Claude 4.5 Haiku (Non-reasoning) | Anthropic | 15 | - | 200k | $0.8 | 77 | Not available | |