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BACKGROUND

Sonnet 5.5 is 50% cheaper, but produces 62% more tokens

BACKGROUND
1 SIGNALFIRST DETECTED 28 September 2026
Narrative synthesis pending — 1 signal collected.
How the story developed
28 Sept
Other feeds and industry voices
28 Sept
Sonnet 5.5 is worse than Opus 5.5 but costs more?? Sonnet costs the same as Fable 5.1? The reason: Sonnet 5.5 is waaaay less token efficient. Don't be fooled, continue using Opus!

<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1wsnsrz/sonnet_55_is_worse_than_opus_55_but_costs_more/"> <img alt="Sonnet 5.5 is worse than Opus 5.5 but

OPINION · HOW · singularityOPEN STORY
30 Sept
Sonnet 5.5 One Shot, SD2.5 - Missing Ground

<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1wu3z0c/sonnet_55_one_shot_sd25_missing_ground/"> <img alt="Sonnet 5.5 One Shot, SD2.5 - Missing Ground"

OPINION · WHAT · singularityOPEN STORY
30 Jun
Benchmark of sonnet 5 (good improvement)

<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1ujxgvx/benchmark_of_sonnet_5_good_improvement/"> <img alt="Benchmark of sonnet 5 (good improvement)"

OPINION · WHAT · singularityOPEN STORY
28 Sept
Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partner

Anthropic has released the newest version of its mid-range model, boasting faster response times and less token burn.

REPORT · WHAT · TechCrunch AIOPEN STORY
24 Jul
Opus 5 isn't much cheaper than Fable to use

<table> <tr><td> <a href="https://www.reddit.com/r/singularity/comments/1v5jkml/opus_5_isnt_much_cheaper_than_fable_to_use/"> <img alt="Opus 5 isn't much cheaper than Fable to

OPINION · WHAT · singularityOPEN STORY
1 Oct
sol 6.1 is actually pretty decent

<table> <tr><td> <a href="https://www.reddit.com/r/OpenAI/comments/1wuxyo2/sol_61_is_actually_pretty_decent/"> <img alt="sol 6.1 is actually pretty decent"

OPINION · HOW · OpenAIOPEN STORY
Sources
singularity

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