Anthropic ships Claude Haiku 5.5, says it costs about 75% less to run than Haiku 4.5

Anthropic released Claude Haiku 5.5 on Wednesday, a small model the company says costs around 75% less to run than Haiku 4.5, with per-token prices 90% lower on prompts up to 100,000 tokens and 50% lower above that. The same post halved Sonnet 5.5's cache-read price, which Anthropic says cuts its cost on most agentic tasks by around 20%, and added monthly API credits for Claude's Max ($100 or $200) and Team (up to $500, pooled) plans, excluding interactive Claude Code. Developer Simon Willison measured the new tokenizer at about 1.25x, and on Terminal-Bench 4.0 Haiku scores 39.2% versus Sonnet 5.5's 70.6%.

Anthropic ships Claude Haiku 5.5, says it costs about 75% less to run than Haiku 4.5 A new small model Anthropic says costs about 75% less to run than Haiku 4.5, plus cheaper Sonnet 5.5 cache reads and API credits for Max and Team plans. Also: Codex refills usage limits again. Anthropic released Claude Haiku 5.5 on Wednesday, a small model it says costs about 75% less to run than Haiku 4.5. The same post halved Sonnet 5.5's cache-read price and added monthly API credits for Claude's Max and Team plans, which don't cover interactive Claude Code. OpenAI's Codex team, on day three of a pledge to ship an improvement or a usage-limit reset every day for 28 days, refilled every paid account's limits and re-shipped Codex cloud. What changed this week Anthropic ships Claude Haiku 5.5, says it costs about 75% less to run than Haiku 4.5 Anthropic released Claude Haiku 5.5, a small model it says "costs around 75% less to run" than Haiku 4.5. Its footnote gives the math: per-token prices are 90% lower on prompts up to 100,000 tokens and 50% lower above that, net of a new tokenizer that uses more tokens per task. Developer Simon Willison https://simonwillison.net/2026/Oct/7/claude-haiku-5-5/?ref=thenewway.ai , in his pricing notes, measured that tokenizer at about 1.25x, and found Haiku now matches GPT-6 Luna's price up to 100,000 tokens, with Luna cheaper past it. On Terminal-Bench 4.0, a command-line agent test, Haiku scores 39.2% to Sonnet 5.5's 70.6%, and Anthropic pitches it as a subagent. The same post halves Sonnet 5.5's cache-read price, which Anthropic says cuts its cost on most agentic tasks "by around 20%." It also adds monthly API credits for Claude's Max $100 or $200 and Team up to $500, pooled plans. Anthropic's terms page https://support.claude.com/en/articles/17154008?ref=thenewway.ai excludes interactive Claude Code. OpenAI's Codex refills paid usage limits, then re-ships Codex cloud OpenAI's Codex team pledged to ship either an improvement or a usage-limit reset every day for 28 days. On day three https://x.com/thsottiaux/status/2107913674593644711?ref=thenewway.ai it did the reset. OpenAI's Tibo Sottiaux cited "a new high of 40M active users across Codex and ChatGPT Work" and loaded "a banked reset in everyone's paid accounts." Hours later he confirmed it "landed across all accounts." Then he said the team had " silently re-shipped codex cloud https://x.com/thsottiaux/status/2108084615349170480?ref=thenewway.ai ." Three of r/codex's top eight threads today question whether the resets help. No Day 4 post yet. Also worth your time Know someone who'd want this in their inbox? Forward it — that's how this grows. And if we got something wrong, or you think we buried the real story today, hit reply. A person reads every one. The New Way is written with AI. It gathers the day's stories, checks them against their sources and drafts every summary. A person decides what runs and reviews every issue before we hit send.