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| Pricing | Paid | Paid |
| Starting Price | $8.00e-7 per prompt token | $6.00e-7 per prompt token |
| Capabilities | 6 decomposed | 11 decomposed |
| Times Matched | 0 | 0 |
Generates roleplay dialogue and narrative responses that maintain consistent character personality, voice, and behavioral traits across multi-turn conversations. Uses fine-tuning on roleplay-specific datasets to learn character consistency patterns, enabling the model to stay in-character while adapting responses to dynamic scenario contexts without breaking character coherence.
Unique: Fine-tuned specifically on roleplay datasets to optimize for character consistency evaluation, achieving highest scores on RPBench-Auto's character evaluation benchmark which uses LLM-based peer evaluation rather than generic instruction-following metrics
vs alternatives: Outperforms general-purpose LLMs on character consistency tasks because it's optimized specifically for roleplay evaluation patterns rather than generic helpfulness, making it more suitable for narrative-driven applications
Maintains coherent dialogue state across multiple conversation turns by tracking established facts, character relationships, and narrative context within a single conversation session. The model processes the full conversation history as context, using attention mechanisms to weight recent and salient information while avoiding context collapse in extended dialogues.
Unique: Trained on roleplay-specific dialogue patterns where context preservation is critical, enabling better attention allocation to narrative-relevant details compared to general-purpose models that optimize for instruction-following
vs alternatives: Better at maintaining roleplay narrative continuity than base Llama 3.1 because fine-tuning teaches it to weight character-relevant context more heavily than generic instruction-following models
Generates contextually appropriate responses that adapt to dynamic scenario changes, environmental descriptions, and evolving narrative situations. The model uses fine-tuned understanding of roleplay scenario structures to infer implicit context (setting, stakes, available actions) and generate responses that align with the current narrative state rather than defaulting to generic replies.
Unique: Fine-tuned on roleplay scenarios where response appropriateness depends heavily on dynamic context, teaching the model to infer and adapt to scenario changes rather than generating generic responses
vs alternatives: More scenario-aware than general-purpose models because it's trained specifically on roleplay datasets where scenario adaptation is a primary evaluation criterion
Generates dialogue that reflects distinct character personality through vocabulary choice, speech patterns, emotional tone, and linguistic quirks. The model learns to associate character traits with specific language patterns during fine-tuning, enabling it to express personality consistently through word selection, sentence structure, and rhetorical style without explicit personality encoding.
Unique: Trained on roleplay datasets where personality expression through language style is a primary evaluation metric, learning implicit associations between character traits and linguistic patterns
vs alternatives: Better at expressing personality through natural language variation than base models because fine-tuning teaches it to map character traits to specific vocabulary and speech pattern choices
Generates responses that score highly on RPBench-Auto, a roleplay-specific evaluation benchmark where LLMs evaluate each other's responses on character consistency, narrative appropriateness, and roleplay authenticity. The model is optimized for these peer-evaluation criteria rather than generic instruction-following metrics, using fine-tuning to align with what other LLMs recognize as high-quality roleplay.
Unique: Explicitly fine-tuned to optimize for RPBench-Auto peer evaluation scores rather than generic metrics, making it the first 8B model to rank highest on roleplay-specific LLM-based evaluation benchmarks
vs alternatives: Achieves higher peer-evaluation scores on roleplay tasks than general-purpose models because it's optimized specifically for criteria that other LLMs recognize as authentic roleplay quality
Provides text generation through OpenRouter's REST API with support for streaming responses, allowing real-time token-by-token output delivery. Requests are routed through OpenRouter's infrastructure, handling model loading, inference, and response formatting without requiring local deployment or GPU resources.
Unique: Accessed exclusively through OpenRouter's managed API rather than direct model download, providing abstraction over infrastructure while maintaining streaming capability for real-time applications
vs alternatives: Easier to integrate than self-hosted models because OpenRouter handles infrastructure, but less flexible than local deployment and incurs per-token costs
GLM-4.5 uses a Mixture-of-Experts (MoE) architecture to dynamically route tokens through specialized expert networks based on input characteristics, enabling efficient processing of 128k-token contexts without proportional latency increases. The MoE design allows selective expert activation per token, reducing computational overhead while maintaining reasoning depth across extended conversations and multi-document analysis tasks typical of agent-based workflows.
Unique: Mixture-of-Experts routing specifically tuned for agent workloads rather than generic dense models; expert activation patterns are optimized for tool-use sequences and multi-step reasoning rather than general language tasks
vs alternatives: Outperforms dense models like GPT-4 Turbo on agent tasks within 128k context by routing computational budget to relevant experts, reducing latency and cost vs. models that process all tokens through identical layers
GLM-4.5 implements native function calling through a schema-based registry where tools are defined as JSON schemas with parameter constraints, type validation, and description metadata. The model learns to emit structured tool invocations that map directly to function signatures, enabling deterministic tool orchestration without post-processing or regex parsing. Integration with OpenRouter's API exposes this via standard function-calling parameters compatible with OpenAI's format.
Unique: Schema-based function calling is trained directly into the model weights rather than implemented as post-hoc decoding constraints, allowing the model to learn semantic relationships between tool purposes and input context during training
vs alternatives: More reliable than constraint-based function calling (e.g., Guidance, LMQL) because tool selection is learned rather than enforced, reducing parsing failures and enabling the model to reason about tool applicability
Z.ai: GLM 4.5 scores higher at 24/100 vs AionLabs: Aion-RP 1.0 (8B) at 22/100.
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GLM-4.5 can be used for batch inference through OpenRouter's API, enabling cost-optimized processing of large numbers of requests. Batch processing typically offers reduced pricing compared to real-time API calls and is suitable for non-urgent inference tasks. The model can process batches of prompts efficiently, with results returned after processing completes. This is valuable for agents running scheduled tasks or processing large datasets.
Unique: Batch processing is offered through OpenRouter's unified API rather than a separate batch service, enabling seamless switching between real-time and batch modes with the same client code
vs alternatives: More cost-effective than real-time API for high-volume inference; simpler than managing separate batch infrastructure because OpenRouter handles queuing and result delivery
GLM-4.5 maintains coherent conversation state across turns by encoding prior messages into a compressed representation that persists within the 128k context window. The model uses attention mechanisms to selectively retrieve relevant prior context, enabling agents to reference earlier decisions, tool results, and user preferences without explicit memory management. This is particularly effective for agent workflows where state accumulation (e.g., task progress, discovered facts) must inform subsequent actions.
Unique: Implicit memory management through attention-based context selection rather than explicit memory modules; the model learns which prior turns are relevant without separate retrieval or summarization steps
vs alternatives: More efficient than explicit memory systems (e.g., LangChain's ConversationBufferMemory) because attention is computed once during inference rather than requiring separate retrieval and summarization passes
GLM-4.5 generates code across 40+ programming languages by leveraging training data that includes diverse codebases and syntax patterns. The model understands language-specific idioms, library conventions, and structural patterns (e.g., async/await in JavaScript, type hints in Python, generics in Java) without explicit language-specific modules. Generation is context-aware, respecting indentation, existing code style, and project conventions when completing or extending code snippets.
Unique: Language-agnostic code generation trained on diverse codebases rather than language-specific fine-tuning; the model generalizes syntax patterns across languages, enabling reasonable code generation even for less common languages
vs alternatives: Broader language coverage than specialized models like Codex (which emphasizes Python/JavaScript) but lower quality on niche languages compared to language-specific models; better for polyglot teams than single-language specialists
GLM-4.5 is trained on extensive technical documentation, API references, and code examples, enabling it to understand and reason about complex technical concepts, library APIs, and system architectures. The model can parse API schemas (OpenAPI, GraphQL, Protocol Buffers), understand parameter constraints and type systems, and generate code that correctly uses APIs based on documentation. This is particularly valuable for agent workflows that must interact with external systems.
Unique: Semantic understanding of API schemas and documentation is learned from training data rather than implemented as a separate schema parser; the model reasons about API semantics holistically
vs alternatives: More flexible than code-generation-only models because it understands API semantics and can reason about correctness; better than generic LLMs for technical tasks because training includes extensive API documentation
GLM-4.5 can generate responses that explicitly show reasoning steps, enabling transparency into how conclusions were reached. When prompted with chain-of-thought patterns, the model generates intermediate reasoning steps before final answers, making it suitable for applications requiring explainability or verification. This is implemented through training on reasoning-annotated data and prompt patterns that encourage step-by-step decomposition.
Unique: Chain-of-thought reasoning is trained directly into the model rather than implemented as a decoding strategy; the model learns to generate reasoning steps as part of its core training objective
vs alternatives: More natural and coherent reasoning steps than prompt-injection approaches (e.g., appending 'think step by step') because reasoning is learned as a first-class capability
GLM-4.5 supports multiple languages (Chinese, English, and others) with training that enables cross-lingual reasoning — understanding concepts expressed in one language and reasoning about them in another. The model can translate, summarize, and reason across languages without language-specific degradation. This is particularly valuable for global applications and agents that must operate in multilingual environments.
Unique: Cross-lingual reasoning is learned from multilingual training data rather than implemented as separate language-specific models; the model develops a shared representation across languages
vs alternatives: More efficient than maintaining separate models per language because a single model handles all languages; better for cross-lingual reasoning than language-specific models because the shared representation enables concept transfer
+3 more capabilities