Together AI vs Fireworks AI Inference Pricing & Latency Benchmark (2026)
Compare Together AI vs Fireworks AI: open-source model hosting costs (Llama 3.3, DeepSeek V3), speculative decoding throughput, LoRA fine-tuning, and enterprise SLAs.
Together AI
Fireworks AI
Head-to-Head Monthly Cost Simulator
Simulate real workload expenditures for Together AI vs Fireworks AI at your expected token volume.
Comprehensive Technical & Financial Breakdown
Side-by-side audit of pricing tiers, token speeds, benchmark intelligence, and architecture limits.
| Specification / Metric | Together AI | Fireworks AI | Financial & Engineering Impact |
|---|---|---|---|
| Llama 3.3 70B (Input / 1M) | $0.60 | $0.70 | Together AI is 14% cheaper |
| Llama 3.3 70B (Output / 1M) | $0.60 | $0.70 | Together AI is 14% cheaper |
| DeepSeek V3 (Input / 1M) | $0.60 | $0.90 | Together AI is 33% cheaper |
| Speculative Decoding | Supported | FireAttention v2 (Industry leading) | Fireworks AI delivers faster TTFT on long prompts |
| Custom LoRA Adapters | Serverless LoRA hot-swapping | Enterprise private endpoints | Both support fast dynamic LoRA loading |
| Function Calling & JSON | Strict JSON mode | Grammar-guided constrained decoding | Fireworks guarantees 100% schema compliance |
Choose **Fireworks AI** if your application requires ultra-strict JSON schema validation, grammar-guided structured decoding, or speculative decoding for lower latency. Choose **Together AI** for lower baseline per-token pricing across Llama and DeepSeek models and generous dedicated GPU capacity.
Frequently Asked Questions: Together AI vs Fireworks AI
Real-world answers covering token budgeting, prompt caching, latency, and SLA differences.
Which provider is faster for structured JSON generation?
Fireworks AI uses proprietary grammar-guided decoding that enforces JSON schemas at the token level, resulting in faster and hallucination-free JSON responses.
Do both providers offer OpenAI API compatibility?
Yes, both Together AI and Fireworks AI provide drop-in OpenAI-compatible endpoints with identical function calling schemas.