New & deprecated LLM modelsApril 2026

In April 2026, 7 new models were released and no models were deprecated. Newest release: deepseek-v4-pro.

New models — April 2026

7 models with a public release date in April 2026, joined to live list prices and benchmark scores.

ModelProviderInput / 1MOutput / 1MBest scoreReleased
deepseek-v4-proDeepSeek$0.43$0.8777.6%24 Apr 2026
gpt-5.5-proOpenAI$30.00$180.0093.9%23 Apr 2026
GPT-5.5OpenAI$5.00$30.0080.6%23 Apr 2026
accounts/fireworks/models/kimi-k2p6Fireworks AI$0.95$4.0076.7%20 Apr 2026
grok-4.3xAI$1.25$2.5088.8%17 Apr 2026
claude-opus-4-7Anthropic$5.00$25.0083.5%16 Apr 2026
accounts/fireworks/models/glm-5p1Fireworks AI$1.40$4.4074.2%7 Apr 2026

Deprecated & sunsetting — April 2026

No deprecations recorded for April 2026.

Prices from the LLM API Pricing Index, synced daily. Release & benchmark data via Epoch AI (CC BY); deprecation dates from provider metadata. New models are those with a public release date this month that appear in the tracked price catalogue.

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