Reka Flash Reasoning: pricing, context window and benchmarks
Reka Flash Reasoning is a multimodal model from Reka AI. It offers a 32,768-token context window, costs $10.70 per million input tokens and $57.45 per million output tokens, and averages 75.6 across the index's benchmark suite.
Pricing
Reka Flash Reasoning costs $10.70 per million input tokens and $57.45 per million output tokens. A blended 3:1 input-to-output mix works out to about $22.39 per million tokens. Cached input is listed at $1.24 per million tokens.
| Item | Price | Notes |
|---|---|---|
| Input | $10.70 | per 1M tokens |
| Output | $57.45 | per 1M tokens |
| Cached input | $1.24 | per 1M tokens |
| Blended 3:1 | $22.39 | estimate per 1M tokens |
| 1M in + 1M out | $68.15 | estimate |
Benchmarks
Scores below are modelled estimates on a 0–100 scale. Use them to compare relative position, not as official vendor results.
| Benchmark | Score | Rank | Percentile | Relative |
|---|---|---|---|---|
| MMLU-Pro | 77.8 | 251 | 58th | |
| GPQA Diamond | 70.4 | 253 | 58th | |
| SWE-bench Verified | 66.9 | 172 | 71th | |
| HumanEval | 81.5 | 199 | 67th | |
| MATH-500 | 77.0 | 281 | 53th | |
| AIME 2025 | 73.9 | 186 | 69th | |
| LiveCodeBench | 66.4 | 267 | 56th | |
| IFEval | 85.2 | 187 | 69th | |
| TruthfulQA | 76.3 | 301 | 50th | |
| HellaSwag | 84.2 | 273 | 55th | |
| MMMU | 72.2 | 237 | 61th | |
| Arena Elo | 1392.9 | 236 | 61th |
What Reka Flash Reasoning is good for
Reka Flash Reasoning is a general-purpose model in the index. It handles text generation, summarization and question answering, and it can be a sensible default when you need a balance of quality, price and context. At $10.70 per million input tokens with a 32,768-token window, check its benchmark profile against the specific task before committing.
Strengths
- Accepts more than text, including image input where the provider supports it.
- Reasoning-oriented profile, useful for multi-step problems and structured analysis.
Trade-offs
- Proprietary licence: you cannot download the weights or self-host the model.
- Premium input pricing at $10.70 per million tokens.
How it compares
| Model | Provider | Context | Input / 1M | Avg score |
|---|---|---|---|---|
| Llama 3 Lambda | Lambda | 65536 | $3.90 | 75.6 |
| Llama 3 Novita Instruct | Novita AI | 32768 | $3.94 | 75.6 |
| Magistral Base | Mistral AI | 65536 | $3.86 | 75.6 |
| Reka Flash Reasoning | Reka AI | 32768 | $10.70 | 75.6 |
| Llama 3 DeepInfra Instruct | DeepInfra | 65536 | $3.84 | 75.5 |
| Yi-Lightning Chat | 01.AI | 32768 | $3.79 | 75.5 |
FAQ
How much does Reka Flash Reasoning cost?
Reka Flash Reasoning is listed at $10.70 per million input tokens and $57.45 per million output tokens. Cached input is $1.24 per million tokens. A blended 3:1 input-to-output mix is about $22.39 per million tokens.
What is the context window of Reka Flash Reasoning?
Reka Flash Reasoning has a context window of 32,768 tokens and can emit up to 32,768 output tokens per request in this index.
Is Reka Flash Reasoning open weights?
No. Reka Flash Reasoning is a proprietary model with a proprietary licence, so you cannot download the weights.
How does Reka Flash Reasoning score on benchmarks?
Reka Flash Reasoning averages 75.6 across the scored benchmarks in this index, ranking #237 of 600 models. Its strongest relative result is Arena Elo at 1392.9.
What is Reka Flash Reasoning best for?
Reka Flash Reasoning is a general-purpose model in the index. It handles text generation, summarization and question answering, and it can be a sensible default when you need a balance of quality, price and context. At $10.70 per million input tokens with a 32,768-token window, check its benchmark profile against the specific task before committing.