chore: sync new models

[github-actions]

Automated sync of model metadata and newly available models from the approved provider allowlist.

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Project	Deployment	Actions	Updated (UTC)
ai-proxy	Ready	Preview, Comment	Jul 2, 2026 11:53am

[github-actions]

Codex (@codex) review

[chatgpt-codex-connector]

💡 Codex Review

Here are some automated review suggestions for this pull request.

Reviewed commit: 3850a5e581

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[chatgpt-codex-connector]

Keep Sonnet 5 on introductory pricing

As of this July 2, 2026 sync, Anthropic's release notes state that claude-sonnet-5 uses $2/$10 per MTok introductory pricing through August 31, 2026, with $3/$15 only after that cutoff (source). Moving the direct Anthropic catalog entry to the later standard price immediately means static model-list pricing/accounting will overstate input/output and derived cache costs by 50% during the introductory period; keep the $2/$10 metadata until the cutoff or encode an effective date.

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[github-actions]

Codex Review Response

P1: Keep Sonnet 5 on introductory pricing

Status: Fixed

Updated the direct Anthropic claude-sonnet-5 entry in packages/proxy/schema/model_list.json to use
introductory pricing ($2/$10 per MTok) effective through August 31, 2026, as confirmed on
Anthropic's pricing page.

Changes to claude-sonnet-5 (Anthropic provider entry):

• input_cost_per_mil_tokens: 3 -> 2
• output_cost_per_mil_tokens: 15 -> 10
• input_cache_read_cost_per_mil_tokens: 0.3 -> 0.2
• input_cache_write_cost_per_mil_tokens: 3.75 -> 2.5

The input_cache_write_5m_cost_per_mil_tokens (2.5) and input_cache_write_1h_cost_per_mil_tokens (4) were
already at introductory rates and were left unchanged.

The Bedrock (anthropic.claude-sonnet-5) and Vertex (publishers/anthropic/models/claude-sonnet-5) entries
were not changed, as those providers set their own pricing independently.