OpenRouter: Fusion
Analysis Summary
OpenRouter Fusion is presented as a text-only model endpoint with a 1M context window and zero listed pricing. The large context could support long documents or broad prompts, but the supplied data does not identify its underlying model, reasoning quality, coding ability, or operational guarantees.
No benchmark results, tool use, function calling, or vision support are listed for this variant. That makes it difficult to select for client content, SEO production, coding, or agents, where consistency and controllability matter more than context size alone. Free access may be useful for exploratory testing, but it should not be treated as evidence of production value.
Keep Fusion in an evaluation pool until model identity and task performance are clearer. Use measured alternatives for workflows with client-facing consequences.
Assessed September 7, 2026
Editorial notes
OpenRouter Fusion offers a 1M context and zero listed pricing, but it has no model-specific benchmark data or declared tool and multimodal capabilities, so it is not ready for dependable client workflows.
Rankings consider pricing, capabilities, benchmarks, and real-world applicability and are refreshed as new models launch. Feedback?
DFO Verdict
OpenRouter Fusion offers a 1M context and zero listed pricing, but it has no model-specific benchmark data or declared tool and multimodal capabilities, so it is not ready for dependable client workflows.
How OpenRouter: Fusion compares
Its 1M-token context window is larger than 84% of the models we list. At $-1,000,000.00 per million input tokens it is cheaper than 100% of comparable models.
Dark bar = input · light bar = output, scaled to the priciest peer.
1M tokens ≈ 8 full-length novels or ~2,500 pages of business documents in a single request.
Strongest on business fit. The pulled-in value corner is the trade-off, and if the shape matters more than the price, this is your model.
Compare shapes side-by-side →Pricing
| Token Type | Cost per 1M tokens | Cost per 1K tokens |
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About OpenRouter: Fusion
Fusion turns your prompt into a small multi-model deliberation. A panel of expert models (see below) analyzes your prompt in parallel with web search and web fetch enabled, then a..
Frequently asked questions about OpenRouter: Fusion
How much does OpenRouter: Fusion cost?
OpenRouter: Fusion costs $-1,000,000.00 per million input tokens and $-1,000,000.00 per million output tokens.
What is the context window of OpenRouter: Fusion?
OpenRouter: Fusion has a context window of 1,000,000 tokens (1M).
Who created OpenRouter: Fusion?
OpenRouter: Fusion is developed by OpenRouter and was released on June 13, 2026.