Reka Flash 3 vs Hunyuan A13B Instruct
Reka Flash 3 costs 2.8x less per output token than Hunyuan A13B Instruct ($0.20 vs $0.57 per million). Updated October 23, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $0.20
- Coding
- No data
- Overall
- No data
- Output $/M
- $0.57
Reka Flash 3 or Hunyuan A13B Instruct: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Reka Flash 3 for output tokens 2.8x cheaper ($0.20 vs $0.57 per million).
No benchmark has tested both yet. Reka Flash 3 has results on LiveCodeBench (Artificial Analysis run), Terminal-Bench Hard (Artificial Analysis run) and AA Intelligence Index; Hunyuan A13B Instruct has none yet. Compare them on price and context instead.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Reka Flash 3 has a AA Intelligence Index result, 6.4.
Directional only
Long documents
Listed context window
Hunyuan A13B Instruct
Hunyuan A13B Instruct takes 131K tokens against 66K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Reka Flash 3
Reka Flash 3 $0.0002, Hunyuan A13B Instruct $0.0004 per turn.
List prices
At a glance
- Coding index
- Reka Flash 3 not benchmarked, Hunyuan A13B Instruct not benchmarked.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Reka Flash 3 $0.20 against Hunyuan A13B Instruct $0.57 per million output tokens, 2.8x apart.
- Context window
- Reka Flash 3 takes 66K tokens, Hunyuan A13B Instruct 131K.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index2 boards measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| LiveCodeBench (Artificial Analysis run) | 43.5% | Not measured | Only Reka Flash 3 measured |
| Terminal-Bench Hard (Artificial Analysis run) | 0.0% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 41 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| AA Intelligence Index | 6.4 | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| τ²-Bench Telecom | 0.0% | Not measured | Only Reka Flash 3 measured |
| BALROG | 29.2% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 40 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 52.9% | Not measured | Only Reka Flash 3 measured |
| Humanity's Last Exam (Artificial Analysis run) | 4.4% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 21 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| AA Math Index | 33.7 | Not measured | Only Reka Flash 3 measured |
| AIME 2025 (Artificial Analysis run) | 33.7% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 12 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | 66.9% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 19 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index2 boards measured
| Benchmark | Reka Flash 3 | Hunyuan A13B Instruct | Leader |
|---|---|---|---|
| IFBench | 30.4% | Not measured | Only Reka Flash 3 measured |
| Long context reasoning (AA-LCR) | 0.0% | Not measured | Only Reka Flash 3 measured |
| Neither model has a result on the other 46 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Reka Flash 3 costs less
Repository review
50K input + 3K output tokens
Reka Flash 3 costs less
Agent loop
200K input + 10K output tokens
Reka Flash 3 costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | Reka Flash 3 | Tencent Hunyuan A13B Instruct |
|---|---|---|
| Maker | Reka | Tencent |
| Weights | Open weights | Open weights |
| Released | March 12, 2025 | July 8, 2025 |
| Context window | 66K | 131K |
| Input $/Mtok | $0.10 | $0.14 |
| Output $/Mtok | $0.20 | $0.57 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Reka Flash 3 better than Hunyuan A13B Instruct for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Reka Flash 3 for output tokens 2.8x cheaper ($0.20 vs $0.57 per million).
Which is cheaper, Reka Flash 3 or Hunyuan A13B Instruct?
Reka Flash 3 costs $0.10 per million input tokens and $0.20 per million output tokens; Hunyuan A13B Instruct costs $0.14 and $0.57. Cost per solved task is known for neither of them.
Which has the bigger context window, Reka Flash 3 or Hunyuan A13B Instruct?
Hunyuan A13B Instruct, with 131K tokens against 66K.
Has any benchmark tested both Reka Flash 3 and Hunyuan A13B Instruct?
No benchmark has tested both yet. Reka Flash 3 has results on LiveCodeBench (Artificial Analysis run), Terminal-Bench Hard (Artificial Analysis run) and AA Intelligence Index; Hunyuan A13B Instruct has none yet. Compare them on price and context instead. Data as of October 23, 2026.