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The shift shows OpenAI regaining ground through steady gains, while Anthropic's newest Opus release reversed the trend for it.
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Anthropic vs OpenAI so far in 2026 - Clearly OAI got back in the game with steady gains in spend share throughout the year - Tokens go kinda wild with the introduction of Luna + new Haiku - Opus 5.5 reversed the trend Sweet, sweet competitionRead original on X
OpenAI gains enterprise spend share on Anthropic in 2026
Anthropic and OpenAI trade spend share leads through 2026
OpenAI regains spend share from Anthropic during 2026
OpenAI and Anthropic swap spend share leads throughout 2026
Anthropic and OpenAI trade spend share leads through 2026
Anthropic and OpenAI trade spend share leads through 2026
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