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OpenAI's GPT-6.1 Terra priced to compete with Claude Sonnet, but Haiku remains cheaper

By PulseAugur Editorial · [1 sources] ·

OpenAI has released GPT-6.1 Terra, a new model positioned between Luna and Sol, priced at half the cost of Anthropic's Claude Sonnet 5.5. However, Anthropic offers its Haiku 4.5 model at a comparable price, and Haiku 5.5 is significantly cheaper. When considering caching for agent work, GPT-6.1 Terra offers a substantial cost reduction, making it about five times cheaper than using the cache without it. While Terra performs well on OpenAI's internal computer use benchmarks, it lags behind Claude Sonnet 5.5 in coding tasks, with OpenAI recommending larger models for complex coding. AI

IMPACT Sets a new price point for mid-tier models, potentially driving down costs for agentic workloads.

RANK_REASON New model release from a frontier lab (OpenAI) with pricing and performance comparisons. [lever_c_demoted from frontier_release: ic=1 ai=1.0]

Read on dev.to — LLM tag →

AI-generated summary · Google Gemini · from 1 sources. How we write summaries →

OpenAI's GPT-6.1 Terra priced to compete with Claude Sonnet, but Haiku remains cheaper

How we ranked this

Signal score
47 / 100
Composite score across the factors below. Higher = stronger signal that this story matters right now.
Newsworthiness bucket
Significant
New model release from a frontier lab (OpenAI) with pricing and performance comparisons. [lever_c_demoted from frontier_release: ic=1 ai=1.0]
Source corroboration
Single-source cluster
Only one publisher covered this so far. Single-source stories can still rank when the publisher is high-authority, but they lack cross-source corroboration.
Topics
model release, product
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AI-industry relevance
High
Clearly on-topic for AI-industry coverage.
Story freshness
Breaking (< 6h)
Fresh story with cross-source coverage still developing. Ranking may shift as more sources report.

Full methodology in our editorial standards.

COVERAGE [1]

  1. dev.to — LLM tag TIER_1 English(EN) · Hisashi Space ·

    Claude vs GPT-6.1 Terra: Half the Price. I Tested It on My Real Work.

    <p>Using Claude? OpenAI's new GPT-6.1 Terra is half the price of Claude Sonnet.</p> <p>I run about forty Claude sessions a day, so a model at half the price is worth a real look.<br /> I made a video about it, but a video can only show a few numbers.<br /> This article has all of…

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