DeepSeek has launched DeepSeek Harness, an MIT-licensed open-source framework enabling developers to build coding agents around its AI models. The company has also upgraded its V4-Pro model and significantly raised its API prices, reflecting confidence in the value of its offerings. This initiative positions DeepSeek as a direct competitor to agent stacks like Anthropic’s Claude Code. On prediction markets, Anthropic remains the frontrunner with an 84% probability of maintaining its position as the best AI model, but the arrival of this new competitor could impact those odds.
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