Today for AI
HOT RADAR
llmHEAT 0.0°

AI CURATED HOT STORY · 10/8/2026

Anthropic Launches Claude Haiku 5.5: Input Costs Drop 90%, Sonnet Pricing Cut to Reshape Agent Economics

9 reports archived0 independent sourcesupdated 10/8/2026, 15:27:51
Synthesis & Latest Updates

Anthropic has officially released the next-generation lightweight model, Claude Haiku 5.5, reshaping the small-model market with aggressive pricing. The base price drops sharply to $0.10/$0.50, directly competing with OpenAI’s GPT-6 Luna. In short-prompt scenarios, input costs fall by approximately 90% compared to the previous generation, while overall operational costs decrease by 75%. Simultaneously, flagship Sonnet 5.5 API prices are reduced, with input rates dropping to $2.00 per million tokens and cache read prices halved, significantly optimizing the economics of agent workloads.

Cross-validation from multiple sources reveals that while Haiku 5.5 offers highly competitive unit pricing, it introduces a more conservative tokenizer, increasing token consumption for equivalent text by about 25%. This creates hidden cost risks in long-context scenarios. Additionally, prices jump fivefold beyond 100k tokens, indicating Anthropic is using tiered pricing to finely control margins on high-load usage. The model is now live on AWS Bedrock, positioned as an efficient coding sub-agent for Opus/Sonnet, designed for high-throughput tasks like summarization and classification. SDK updates also support computer and browser operation capabilities.

This pricing adjustment marks a shift in small-model competition from pure price wars to deep battles over inference efficiency and billing mechanisms. Sonnet’s cache price cuts reduce costs for most agent loads by about 20%, further solidifying Anthropic’s cost-performance advantage in enterprise applications. Developers must comprehensively assess the actual cost impact of tokenizer changes, while this strategy is expected to accelerate the adoption of low-cost agents in large-scale concurrent scenarios.

LATEST/Claude Haiku 5.5 is now available on Amazon Bedrock and Claude Platform on AWS, featuring IAM security controls and regional data residency compliance. Official SDK updates support computer and browser operations, enhancing its high-concurrency capabilities as a coding sub-agent for Opus/Sonnet.

HEAT TRENDHourly heat curve

168 fully observed hours
Now
0.0
Peak
104.421:00
24h change
–

The line compares only sources observed throughout; gap hours are interpolated to keep the trend continuous.

TIMELINECoverage timeline

Total 8 reports · Latest first
  1. Latent SpaceT1·78 pts
    • Claude Haiku 5.5 scores 43 on the Artificial Analysis Intelligence Index, up 26 points from Haiku 4.5 released a year ago.
    • It is the first Haiku model to feature Anthropic's effort settings and adaptive thinking capabilities.
    • Anthropic claims it outperforms GPT-6 Luna at the same price point, introducing a new tiered pricing structure.
  2. 量子位官网T2·78 pts
    • Claude Haiku 5.5 surpasses GPT-6 Luna item-by-item in official benchmarks, redefining the performance ceiling for small models.
    • The model is specifically optimized for coding scenarios, positioning itself as the new 'gatekeeper' among small models.
    • Anthropic employs an aggressive low-price strategy to squeeze competitor space in the API market.
  3. IT之家 · 智能时代T2·78 pts
    • Claude Haiku 5.5 reduces operational costs by ~75% vs Haiku 4.5, with short-context input pricing as low as $0.10/M tokens.
    • First Haiku model to support adjustable performance settings, allowing trade-offs between cost and intelligence.
    • Officially positioned as a sub-agent model for coding tasks when used alongside Opus 5.5 and Sonnet 5.5.
  4. Simon Willison 博客T2·78 pts
    • Claude Haiku 5.5's base pricing drops to $0.10/$0.50, matching competitor GPT-6 Luna and ending the Haiku series' long-standing price disadvantage.
    • The new model introduces a stricter tokenizer, increasing token counts by ~1.25x for equivalent prompts, partially offsetting the unit price reduction.
    • Prices jump 5x beyond 100k tokens, indicating Anthropic is using tiered pricing and tokenizer adjustments to fine-tune margins in high-load scenarios.
  6. The DecoderT2·78 pts
    • Claude Haiku 5.5 reduces input costs by ~90% for prompts under 100k tokens, with cache reads as low as $0.01 per million tokens.
    • Sonnet 5.5 pricing is also cut, with input dropping from $3.00 to $2.00 and output from $15.00 to $10.00 per million tokens.
    • The new model uses an updated tokenizer that consumes slightly more tokens per task, requiring holistic cost evaluation despite lower unit prices.
  7. Hacker News AIT2·78 pts
    • Claude Haiku 5.5 offers ~75% lower running costs than Haiku 4.5, designed for repetitive tasks like summarization and classification.
    • Haiku 5.5 is positioned as an efficient subagent for Opus 5.5 and Sonnet 5.5 in coding workflows.
    • Cache read prices for Claude Sonnet 5.5 are halved, reducing overall costs for most agentic workloads by ~20%.
  8. Artificial AnalysisT1·78 pts
    • Claude Haiku 5.5 introduces adaptive thinking and adjustable effort settings for the first time, marking a step forward in complex reasoning for small models.
    • Adopts a tiered pricing strategy: highly competitive for short contexts (<100k tokens), but prices surge 5x above this threshold.
    • Outperforms most peer closed-source small models in benchmarks, but consumes significantly more output tokens than competitor GPT-6 Luna in high-difficulty tasks.