Liquid AI’s LFM 2.5 24B has the lowest input price of any model we have put through our chatbot test this autumn: $0.05 per million input tokens and $0.70 per million output tokens on OpenRouter, served by Liquid itself. It is a mixture-of-experts reasoning model with 24 billion parameters in total and about 2.45 billion…

Reflection AI’s Beam 1.0 is the first open-weight model from the Nvidia-backed lab, and on OpenRouter it costs $0.25 to $0.40 per million input tokens and $1.00 to $1.20 per million output tokens, depending on which of its five hosts serves the request. Beam is a sparse mixture-of-experts model with 501 billion parameters in total…

StepFun Step 5 pricing on OpenRouter is $1.00 per million input tokens and $2.70 per million output tokens, with cached input at $0.10. That rate is the same on all three hosts that serve it: StepFun itself, Featherless and GMICloud. Step 5 Preview is StepFun’s new flagship, a sparse mixture-of-experts model with 600 billion parameters…

NVIDIA Nemotron 3.5 Super pricing depends on who runs it. NVIDIA released Nemotron 3.5 Super VL on 15 October 2026 as an open-weight model, so it has no single price. On OpenRouter it is sold by eight paid hosts at $0.06 to $0.20 per million input tokens and $0.35 to $0.50 per million output tokens,…

Kimi K3.1 Pro pricing is $2.00 per million input tokens and $10.00 per million output tokens, with cached input at $0.20. Moonshot AI released the model through its API on 23 October 2026 and says the open weights will follow on 4 November. Those are exactly the list rates of Claude Sonnet 5.5, and a…

Mercury 3 pricing is $0.10 per million input tokens and $0.35 per million output tokens, with cached input at $0.01. That is a 50% launch discount: Inception lists the regular rate as $0.20 / $0.70, and it has not said when the discount ends. Mercury 3 is a diffusion language model. It drafts and refines…

GPT-6.1 Terra pricing is $1 per million input tokens and $5 per million output tokens, with cached input at $0.05. That is half the input price and 58% less on output than GPT-5.6 Terra, the model it replaces in OpenAI’s middle tier, which still lists at $2 and $12. GPT-6.1 Terra appeared on OpenRouter on…

Meta Muse Spark pricing is $1.25 per million input tokens and $4.25 per million output tokens for Muse Spark 1.3, the current version on Meta’s API, with cached input at $0.15. Muse Wonder, the frontier model Meta released on 12 October 2026, costs $4 and $20, the same rate card as Claude Opus 5.5. There…

MiniMax M3.1 Flash pricing is $0.15 per million input tokens and $0.60 per million output tokens on MiniMax’s own API. That is exactly half of what MiniMax charges for M3. MiniMax released M3.1 Flash on 19 October 2026, and six days later OpenRouter listed thirteen hosts serving it, from $0.09 input on the cheapest to…

OpenAI Whisper pricing stops mattering on 26 February 2027. That is the day OpenAI removes whisper-1 from its API, along with the three newer models that replaced it in most apps: gpt-4o-transcribe, gpt-4o-mini-transcribe and gpt-4o-transcribe-diarize. The /v1/audio/translations endpoint goes the same day. OpenAI names two replacements: gpt-transcribe for recorded audio at $0.0045 a minute, and…