# Copilot Fusion Max scores within two points of Claude Code with Opus 5.5 Max on Artificial Analysis Coding Agent Index at about half the API cost

Microsoft · Announced 2026-10-28 · Benchmark result

> GitHub reports that on the Artificial Analysis Coding Agent Index, Copilot Fusion Max scored within two points of Claude Code with Opus 5.5 Max at about half the API cost per task, and offers 30% off through Nov. 30.

This update bears on 4 kinds of work in 4 markets. Highest level accepted: L2 Partial automation.

## The work it bears on

- [Assess practical performance and occupational competence](https://surviagi.com/work/education-vocational-training-competence-assessment) (Vocational skills and practical training): L2 Partial automation · From the publisher only
- [Build research prototypes and run comparative experiments](https://surviagi.com/work/science-research-computing-engineering-engineering-experiments) (Computing and engineering research): L2 Partial automation · From the publisher only
- [Develop business logic and service APIs](https://surviagi.com/work/software-application-code-backend-code) (Application interfaces and business development): L1 Assisted · From the publisher only
- [Implement tool use and agent workflows](https://surviagi.com/work/software-intelligent-systems-agent-workflows) (Model applications and agent systems): L1 Assisted · From the publisher only

## Published at

- [Source 1](https://x.com/github/status/2115480207469560109)

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Page: https://surviagi.com/updates/ev-f7dc0e45b6993fe7a101a03195f0ab9925896786

Data generated 2026-10-29T00:17:33.770128+00:00; method activity-level-1; ontology 2.4.0.
Machine-proposed: no person has reviewed these readings, and the method is not calibrated.
Cite the page address together with the generation time.