LLM Reference

Firefunction V1 vs Trinity-Large-Thinking

Firefunction V1 (2024) and Trinity-Large-Thinking (2026) are frontier reasoning models from Fireworks AI and Arcee AI. Firefunction V1 ships a 8k-token context window, while Trinity-Large-Thinking ships a 256k-token context window. On pricing, Trinity-Large-Thinking costs $0.22/1M input tokens versus $0.50/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Trinity-Large-Thinking is ~127% cheaper at $0.22/1M; pay for Firefunction V1 only for provider fit.

Decision scorecard

Local evidence first
SignalFirefunction V1Trinity-Large-Thinking
Best forgeneral production evaluationreasoning-heavy apps, tool-calling agents, and provider-routed production
Decision fitGeneralRAG, Agents, and Long context
Context window8k256k
Cheapest output$0.50/1M tokens$0.85/1M tokens
Provider routes1 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Firefunction V1 when...
  • Firefunction V1 has the lower cheapest tracked output price at $0.50/1M tokens.
Choose Trinity-Large-Thinking when...
  • Trinity-Large-Thinking has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Trinity-Large-Thinking has broader tracked provider coverage for fallback and route flexibility.
  • Trinity-Large-Thinking uniquely exposes Reasoning, JSON / Tool use, and Structured outputs in local model data.
  • Local decision data tags Trinity-Large-Thinking for RAG, Agents, and Long context.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

Lower estimate Trinity-Large-Thinking

Firefunction V1

$525

Cheapest tracked route/tier: Fireworks AI

Trinity-Large-Thinking

$389

Cheapest tracked route/tier: OpenRouter

Estimated monthly gap: $137. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Firefunction V1 -> Trinity-Large-Thinking
  • No overlapping tracked provider route is sourced for Firefunction V1 and Trinity-Large-Thinking; plan for SDK, billing, or endpoint changes.
  • Trinity-Large-Thinking is $0.35/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • Trinity-Large-Thinking adds Reasoning, JSON / JSON / Tool use, and Structured outputs in local capability data.
Trinity-Large-Thinking -> Firefunction V1
  • No overlapping tracked provider route is sourced for Trinity-Large-Thinking and Firefunction V1; plan for SDK, billing, or endpoint changes.
  • Firefunction V1 is $0.35/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Reasoning, JSON / JSON / Tool use, and Structured outputs before moving production traffic.

Specs

Specification
Released2024-01-292026-04-01
Context window8k256k
Parameters46B400B
ArchitectureDecoder OnlyMixture of Experts
LicenseLlama 3 CommunityApache 2.0OSI-approved
OpennessOpen weightsOpen source
WeightsUnknownAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff--

Pricing and availability

Pricing attributeFirefunction V1Trinity-Large-Thinking
Input price$0.50/1M tokens$0.22/1M tokens
Output price$0.50/1M tokens$0.85/1M tokens
Providers

Capabilities

CapabilityFirefunction V1Trinity-Large-Thinking
VisionNoNo
MultimodalNoNo
ReasoningNoYes
JSON / Tool useNoYes
Structured outputsNoYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-06-29. Data sourced from public model cards and provider documentation.