16. One or more non-transitory computer readable media comprising executable code that, when executed, cause one or more computing devices to perform a process comprising: obtaining audio data corresponding to an utterance; initiating speech recognition on the audio data using a grammar, wherein speech recognition using the grammar proceeds to at least a first state of the grammar, wherein the first state of the grammar is linked to a second state of the grammar and a first state of a statistical language model, and wherein individual links between the grammar and the statistical language model are configured to bias speech recognition to use the grammar over the statistical language model; determining a first score and a second score, wherein the first score is determined using a weight associated with a link from the first state of the grammar to the second state of the grammar; if the first score is greater than the second score, continuing speech recognition on the audio data using the second state of the grammar; and if the second score is greater than the first score, continuing speech recognition on the audio data using the first state of the statistical language model, wherein speech recognition using the statistical language model is based at least in part on a score associated with the correspondence between the first state of the grammar and the first state of the statistical language model.
16. One or more non-transitory computer readable media comprising executable code that, when executed, cause one or more computing devices to perform a process comprising: obtaining audio data corresponding to an utterance; initiating speech recognition on the audio data using a grammar, wherein speech recognition using the grammar proceeds to at least a first state of the grammar, wherein the first state of the grammar is linked to a second state of the grammar and a first state of a statistical language model, and wherein individual links between the grammar and the statistical language model are configured to bias speech recognition to use the grammar over the statistical language model; determining a first score and a second score, wherein the first score is determined using a weight associated with a link from the first state of the grammar to the second state of the grammar; if the first score is greater than the second score, continuing speech recognition on the audio data using the second state of the grammar; and if the second score is greater than the first score, continuing speech recognition on the audio data using the first state of the statistical language model, wherein speech recognition using the statistical language model is based at least in part on a score associated with the correspondence between the first state of the grammar and the first state of the statistical language model. 22. The one or more non-transitory computer readable media of claim 16 , the process further comprising: obtaining second audio data corresponding to a second utterance; performing speech recognition on the second utterance exclusively with the grammar.