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GPT OSS 20B vs Sarvam-105B

Sarvam-105B leads the LLM Stats Score 26.1 to 17.4.

OpenAI · Sarvam AI · Updated for 2026

Which is better?

Sarvam-105B leads the overall LLM Stats Score 26.1 to 17.4, ranking #137 overall.

In the 3 individual benchmarks reported for both models, Sarvam-105B wins 3; this is a narrower head-to-head signal than the composite indexes.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose GPT OSS 20B

  • you want predictable pricing at $0.05/M input and $0.20/M output

Choose Sarvam-105B

  • overall performance matters — it scores 26.1 and ranks #137 on LLM Stats
  • your work emphasizes reasoning — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you want the most recent training data — it shipped Mar 2026

At a glance

The differences that matter most.

GPT OSS 20B
OpenAI
Sarvam-105B
Sarvam AI
Core performance indexes
LLM Stats Score
17.4
#197
26.1
#137
Reasoning
15.9
#201
26.6
#133
Cost, coverage & limits
Benchmark wins
0 of 3
3 of 3
Input price
$0.05 / M
— / M
Output price
$0.20 / M
— / M
Context window
131,072
—

Capability indexes

Additional strengths measured across groups of related public benchmarks

1 shared
Index
GPT OSS 20B
Sarvam-105B
Math
17.4#184
29.3#80
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

7 reported for GPT OSS 20B · 14 for Sarvam-105B

3 shared

GPT OSS 20B outperforms in 0 benchmarks, while Sarvam-105B is better at 3 benchmarks (GPQA, Humanity's Last Exam, MMLU).

Sarvam-105B significantly outperforms across most benchmarks.

Sat Aug 29 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Model Size

Parameter count comparison

84.1B diff

Sarvam-105B has 84.1B more parameters than GPT OSS 20B, making it 402.4% larger.

OpenAI
GPT OSS 20B
20.9Bparameters
Sarvam AI
Sarvam-105B
105.0Bparameters
20.9B
GPT OSS 20B
105.0B
Sarvam-105B

Context Window

Maximum input and output token capacity

Only GPT OSS 20B specifies input context (131,072 tokens). Only GPT OSS 20B specifies output context (32,768 tokens).

OpenAI
GPT OSS 20B
Input131,072 tokens
Output32,768 tokens
Sarvam AI
Sarvam-105B
Input- tokens
Output- tokens
Sat Aug 29 2026 • llm-stats.com

License

Usage and distribution terms

Both models are licensed under Apache 2.0.

Both models share the same licensing terms, providing consistent usage rights.

GPT OSS 20B

Apache 2.0

Open weights

Sarvam-105B

Apache 2.0

Open weights

Release Timeline

When each model was launched

GPT OSS 20B was released on 2025-08-05, while Sarvam-105B was released on 2026-03-06.

Sarvam-105B is 7 months newer than GPT OSS 20B.

GPT OSS 20B

Aug 5, 2025

1.1 years ago

Sarvam-105B

Mar 6, 2026

5 months ago

7mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Judge for yourself.

Run your own prompts against GPT OSS 20B and Sarvam-105B side-by-side, then vote on the output you prefer.

GPT OSS 20B
✓ Preferred
Sarvam-105B
Open in Playground

FAQ

Common questions about GPT OSS 20B vs Sarvam-105B.

Which is better, GPT OSS 20B or Sarvam-105B?

Sarvam-105B leads the LLM Stats Score 26.1 to 17.4. GPT OSS 20B is made by OpenAI and Sarvam-105B is made by Sarvam AI. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does GPT OSS 20B compare to Sarvam-105B in benchmarks?

GPT OSS 20B scores MMLU: 85.3%, CodeForces: 74.3%, GPQA: 71.5%, TAU-bench Retail: 54.8%, HealthBench: 42.5%. Sarvam-105B scores MATH-500: 98.6%, AIME 2025: 96.7%, MMLU: 90.6%, HMMT 2025: 85.8%, HMMT25: 85.8%.

What are the context window sizes for GPT OSS 20B and Sarvam-105B?

GPT OSS 20B supports 131K tokens and Sarvam-105B supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT OSS 20B and Sarvam-105B?

Key differences include LLM Stats Score (17.4 vs 26.1). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT OSS 20B and Sarvam-105B?

GPT OSS 20B is developed by OpenAI and Sarvam-105B is developed by Sarvam AI.

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