Claude Opus 5.5 vs GPT-6 Astra: Release Comparison

claude opus 5 5 vs gpt 6 astra

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Author: Pixwit Team · Date: October 15, 2026

Claude Opus 5.5 vs GPT-6 Astra: Release Comparison

Comparison of the Claude Opus 5.5 and GPT-6 Astra releases: 5 and 5 models respectively, each with different intelligence, performance, and pricing characteristics. Below is a comparison of the key metrics across all 10 models.

• For intelligence, Claude Opus 5.5 scores highest: Claude Opus 5.5 (Max, Default Fallback) at 58, against GPT-6 Astra (Max) at 53 for GPT-6 Astra.
• For output speed, Claude Opus 5.5 is fastest: Claude Opus 5.5 (Max, Default Fallback) at 95 t/s, against GPT-6 Astra (Max) at 44 t/s for GPT-6 Astra.
• For cost per task, Claude Opus 5.5 is cheapest: Claude Opus 5.5 (Low, Default Fallback) at $0.55, against GPT-6 Astra (Low) at $0.82 for GPT-6 Astra. | | [Claude Opus 5.5 (max with fallback)]( | [Claude Opus 5.5 (xhigh with fallback)]( | [Claude Opus 5.5 (high with fallback)]( | [GPT-6 Astra (max)]( | [GPT-6 Astra (xhigh)]( | [Claude Opus 5.5 (medium with fallback)]( | [GPT-6 Astra (high)]( | [GPT-6 Astra (medium)]( | [GPT-6 Astra (low)]( | [Claude Opus 5.5 (low with fallback)]( | |---|---|---|---|---|---|---|---|---|---|---| | Intelligence Index | 58 | 56 | 54 | 53 | 52 | 51 | 51 | 50 | 46 | 42 | | Finance & Accounting | 61 | 58 | 56 | 55 | 54 | 54 | 53 | 52 | 49 | 46 | | Strategy & Ops | 64 | 62 | 59 | 57 | 57 | 57 | 55 | 54 | 50 | 48 | | Legal | 63 | 61 | 59 | 59 | 58 | 57 | 58 | 57 | 53 | 52 | | Healthcare & Medical | 61 | -- | -- | 52 | -- | -- | -- | -- | -- | -- | | Cost per TaskUSD | $5.98 | $3.46 | $1.82 | $3.26 | $2.31 | $1.34 | $1.73 | $1.54 | $0.82 | $0.55 | | Output SpeedTokens/s | 95 | 76 | 74 | 44 | 44 | 73 | 43 | 44 | 42 | 74 | | Time to First Tokens | 679.24 | 144.79 | 60.69 | 292.30 | 184.97 | 27.36 | 70.91 | 6.30 | 3.37 | 11.20 | | Context Window | 1M | 1M | 1M | 1M | 1M | 1M | 1M | 1M | 1M | 1M | | Creator | | | | | | | | | | | | License | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | Proprietary | | Input Modality | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | Supports: text and image | | Output Modality | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | Supports: text | | Providers | | | | | | | | | | |

Intelligence

[benchmark dashboards Intelligence Index](

Intelligence Index vs. Cost per Intelligence Index Task

Cost per Task (USD, Log Scale)

Cost

Cost per Intelligence Index Task

Speed & Latency

Output Speed

Capability Scores

Capability Indexes

[Finance & Accounting Index]( Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better [Strategy & Ops Index]( Incorporates 6 evaluations: GDPval-AA v2.1, AA-Briefcase v1.1, AA-Omniscience, AutomationBench-AA, AA-LCR v1.1, GDP.pdf · Higher is better [Legal Index]( Incorporates 7 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, Humanity's Last Exam, AA-LCR v1.1, GDP.pdf, AutomationBench-AA · Higher is better [Healthcare & Medical Index]( Incorporates 6 evaluations: AA-Omniscience, GDPval-AA v2.1, AA-Briefcase v1.1, MLCR-AA, Humanity's Last Exam, AutomationBench-AA · Higher is better [Engineering Index]( Incorporates 6 evaluations: AA-Omniscience, Humanity's Last Exam, CritPt, GDPval-AA v2.1, AA-Briefcase v1.1, Terminal-Bench 4.0 · Higher is better [Economics Index]( Incorporates 5 evaluations: AA-Omniscience, Humanity's Last Exam, GDPval-AA v2.1, AA-Briefcase v1.1, AA-LCR v1.1 · Higher is better

Ship visuals while models update

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