Claude Opus 5.5 is now available on AWS
Opus 5.5 available on Bedrock and Claude Platform on AWS.
AI Storyline
8 items · 6 sources · 7 days
Operational story trace
Claude 5.5
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Current stateShipping · full lineup
Latest change
Claude Haiku 5.5 arrived Oct 7 and AINews rates it better than GPT-6 Luna at the same pricing, completing the Opus, Sonnet and Haiku 5.5 lineup.
Earlier contextThe story so far
Claude Opus 5.5 shipped Sep 22 on AWS and direct, an hour before OpenAI's GPT-6 Sol and Luna, and the launch coincided with 40-50% price cuts across vendors. Sonnet 5.5 followed Sep 28 with a lower cost per task.
editor-curated · source-linked
State over time
● Opus · Sep 22Haiku · Oct 7 ●
- Opus · Sep 22
- Sonnet · Sep 28
- Haiku · Oct 7
LAUNCH · Sep 22–23Opus 5.5 ships alongside GPT-6 Sol and Luna3 sources · show sources ▾
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war
Places the launch next to OpenAI's GPT-6 Sol and Luna an hour later.
[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%
Reports 40-50% price cuts across vendors.
COST · Sep 24–25Anthropic details what tasks cost on Opus 5.52 sources · show sources ▾
Coding sessions are longer and use more context. Claude Opus 5.5 is built with that in mind. | Claude by Anthropic
Anthropic's pitch: Opus 5.5 is priced and trained for longer, context-heavy coding sessions.
What a task costs on Opus 5.5 / claude.dev Blog
Shows identical token prices yield different per-task bills, and which settings change them.
SONNET · Sep 28–29Sonnet 5.5 lands on AWS; Opus 5.5 gets hands-on praise ✓ corroborated across 2 sources2 sources · show sources ▾
Introducing Claude Sonnet 5.5 on AWS
Sonnet 5.5 arrives with lower cost per task at faster speed.
[AINews] Opus 5.5 is good at explainer videos
Early hands-on: Opus 5.5 is good at explainer videos.
NOW · Oct 7Haiku 5.5 completes the lineup1 source · show source ▾
[AINews] Claude Haiku 5.5 — better than GPT-6 Luna at the same pricing
Haiku 5.5 replaces the nearly year-old Haiku 4.5.
Day 1 Tuesday, Sep 22, 2026
Claude Opus 5.5 is now available on AWS
Opus 5.5 available on Bedrock and Claude Platform on AWS.
Claude Opus 5.5, GPT-6 Sol, GPT-6 Luna, and a new price war
Places the launch next to OpenAI's GPT-6 Sol and Luna an hour later.
Day 2 Wednesday, Sep 23, 2026
[AINews] Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%
Reports 40-50% price cuts across vendors.
Day 3 Thursday, Sep 24, 2026
Coding sessions are longer and use more context. Claude Opus 5.5 is built with that in mind. | Claude by Anthropic
Anthropic's pitch: Opus 5.5 is priced and trained for longer, context-heavy coding sessions.
Day 4 Friday, Sep 25, 2026
What a task costs on Opus 5.5 / claude.dev Blog
Shows identical token prices yield different per-task bills, and which settings change them.
Day 5 Monday, Sep 28, 2026
Introducing Claude Sonnet 5.5 on AWS
Sonnet 5.5 arrives with lower cost per task at faster speed.
Day 6 Tuesday, Sep 29, 2026
[AINews] Opus 5.5 is good at explainer videos
Early hands-on: Opus 5.5 is good at explainer videos.
Day 7 Wednesday, Oct 7, 2026
[AINews] Claude Haiku 5.5 — better than GPT-6 Luna at the same pricing
Haiku 5.5 replaces the nearly year-old Haiku 4.5.
What to watch — open questions
- Does Haiku 5.5 hold its edge over GPT-6 Luna at equal price on independent evals?
- Do the Sep 22 vendor price cuts hold through Q4?
How this thread was built
editor wrote the arc · 4 beatscorroboration 1 source checkswatcher 1 status change
Storylines are threaded mechanically from the feed: stories that share a distinctive anchor across multiple days and sources. Each item links to its original source. The evidence trace, current state, and open questions are written by the editor routine and refreshed whenever a new beat lands.