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A model reaches frontier-level coding at eighteen cents per million tokens

development2026-08-01

Claim

DeepSeek's v4-flash hit Opus 4.8-level coding at $0.18 per million tokens via post-training alone, as Kimi 3 became the first open model past 60% on ARC-AGI-2, five months behind the closed frontier.

Reported metric: $0.18 per Mtok

Reporting date: 2026-08-01 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to August 1, 2026 (theinnermostloop.substack.com)

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Welcome to August 1, 2026

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Evidence for

Supersedes

A 276B model with 12B active sets a new open cost-performance frontier

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Citation formatCitation text

A model reaches frontier-level coding at eighteen cents per million tokens
Innermost Loop KB — secondary record
Reporting date: 2026-08-01
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-08-01-opus-level-coding-at-eighteen-cents
Claim: DeepSeek's v4-flash hit Opus 4.8-level coding at $0.18 per million tokens via post-training alone, as Kimi 3 became the first open model past 60% on ARC-AGI-2, five months behind the closed frontier.
Attributed sources:
- Welcome to August 1, 2026 — https://theinnermostloop.substack.com/p/welcome-to-august-1-2026
This citation does not imply independent verification of linked-source claims.

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